2003 Kia Optima Exhaust Parts
Find Your Specific 2003 Kia Optima Exhaust Parts
Below you will find various in-demand Kia Exhaust Parts, components and accessories for your 2003 Optima. Advance Auto Parts has popular Optima parts like Exhaust Fittings, Exhaust Manifold and Headers, Catalytic Converters and more. You’ll also find aftermarket and OEM Exhaust Parts for other Optima model years including
2012,
2013,
2014,
2015,
2016,
2017,
2018,
2019,
2020 and more. Select a category of 2003 Kia Optima Exhaust Parts below and start saving instantly.
Popular 2003 Kia Optima Exhaust Parts Categories
Essential Exhaust Parts for 2003 Kia Optimas
Walker – Walker Exhaust System Hanger Insulator, 35725 (Part No.35725)
from
$8.49
Complete your exhaust repair with Walker insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.
See More
Walker – Walker Exhaust System Hanger Insulator, 35229 (Part No.35229)
from
$12.79
Complete your exhaust repair with Walker insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.
See More
Walker – Walker Exhaust Clamp Maximum Diameter 2.000 IN, 35335 (Part No.35335)
from
$3.29
Complete your exhaust repair with an Exhaust Mate U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life. Use Walker accessories when installing catalytic converters and mufflers for a complete system upgrade.
See More
Walker – Walker Exhaust Clamp, 35344 (Part No.35344)
from
$3.29
Complete your exhaust repair with an Exhaust Mate U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.
See More
BRExhaust – BRExhaust Exhaust Clamp, 250-050 (Part No.250-050)
from
$5.99
Sourcing mounting parts from the manufacturer that designs and makes the exhaust system is the only way to guarantee the perfect fit. That’s why, whilst developing the exhaust system, BRExhaust also develops the installation hardware to the same standards. To ensure a gas-tight connection and a secure suspension, we always recommend the replacement of the mounting parts when fitting a new exhaust.
See More
MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452047 (Part No.452047)
from
$1113.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452047. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Manifold Catalytic Converter is designed to fit the 2006 Kia Optima 2.4L. MagnaFlow 452047 includes (2) Flange Gaskets and interchanges with OE parts 28500-25450, 28510-25250, 28510-25450. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More
Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-630 (Part No.674-630)
from
$403.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
See More
Dorman – Dorman Manifold Converter – CARB Compliant, 673-652 (Part No.673-652)
from
$1813.00
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
See More
Victor Reinz – Victor Reinz Catalytic Converter Gasket, 71-13605-00 (Part No.71-13605-00)
from
$6.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More
Walker – Walker Exhaust Pipe Flange Gasket, 31599 (Part No.31599)
from
$19.79
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
See More
Walker – Walker Exhaust Pipe Flange Gasket, 31534 (Part No.31534)
from
$7.69
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
See More
Walker – Walker Exhaust Pipe Flange Gasket, 31337 (Part No.31337)
from
$5.49
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
See More
Felpro – Felpro Exhaust Pipe Flange Gasket, 60496-1 (Part No.60496-1)
from
$6.79
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
BRExhaust – BRExhaust Exhaust Pipe Flange Gasket, 256-1183 (Part No.256-1183)
from
$13.99
BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.
See More
Felpro – Felpro Exhaust Pipe Flange Gasket, 61383 (Part No.61383)
from
$10.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
Felpro – Felpro Exhaust Pipe Flange Gasket, 61381 (Part No.61381)
from
$8.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
Walker – Walker Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 16667 (Part No.16667)
from
$965.99
Designed to comply with EPA emissions requirements while delivering premium performance with assured compliance, Walker Ultra EPA-compliant manifold converters are available for import and domestic OBDII (1996 and newer) vehicles and feature an OE-style high-technology washcoat.
See More
Dorman – Dorman Pre-Converter – CARB Compliant, 678-515 (Part No.678-515)
from
$1434.00
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
See More
Walker – Walker CalCat CARB Direct Fit Catalytic Converter, 84232 (Part No.84232)
from
$483.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat direct-fit catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
See More
MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51356 (Part No.51356)
from
$223.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51356. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More
BRExhaust – BRExhaust Exhaust System Hanger, 255-047 (Part No.255-047)
from
$10.99
BRExhaust exhaust insulator mounts are high-quality replacements for original equipment hangers-designed to fit right the first time. They’re manufactured from premium rubber and available for a variety of car, truck, and van applications. BRExhaust exhaust insulator mounts will help keep your components in the right position, resulting in a longer lifespan for your exhaust system.
See More
BRExhaust – BRExhaust Exhaust System Hanger, 255-381 (Part No.255-381)
from
$7.99
BRExhaust exhaust insulator mounts are high-quality replacements for original equipment hangers-designed to fit right the first time. They’re manufactured from premium rubber and available for a variety of car, truck, and van applications. BRExhaust exhaust insulator mounts will help keep your components in the right position, resulting in a longer lifespan for your exhaust system.
See More
Walker – Walker Exhaust System Hanger Insulator, 35460 (Part No.35460)
from
$8.19
Complete your exhaust repair with Walker insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.
See More
Victor Reinz – Victor Reinz Exhaust Manifold Gasket, 71-52908-00 (Part No.71-52908-00)
from
$26.49
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.
See More
Felpro – Felpro Exhaust Manifold Gasket Set, MS 97239 (Part No.MS 97239)
from
$14.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Victor Reinz – Victor Reinz Exhaust Manifold Gasket Set, 71-10111-00 (Part No.71-10111-00)
from
$16.49
As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.
See More
Felpro – Felpro Exhaust Manifold Gasket Set, MS 96874 (Part No.MS 96874)
from
$11.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
Victor Reinz – Victor Reinz Exhaust Manifold Gasket Set, 71-18977-00 (Part No.71-18977-00)
from
$14.99
As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.
See More
Upgrade your 2003 Kia Optima with Top-Quality Exhaust Parts
When it comes to maintaining or upgrading your 2003 Kia Optima, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Kia or enhancing its overall performance, Exhaust Parts are key to keeping your Optima functioning at its best. At Advance Auto Parts, we offer a wide selection of 56 Exhaust Parts for the 2003 Kia Optima, designed to meet your needs without breaking the bank.
From
Exhaust Fitting
replacements to
Exhaust Manifold and Headers
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Exhaust Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Exhaust Parts for your 2003 Kia Optima at great prices.
Our Exhaust Parts inventory for this model
ranges from just $2.99 to $1,552.00, with
an average price of $301.90.
Our 56 Exhaust Parts in stock come from 6 trusted brands, so you’re sure to find the right part for your 2003 Kia Optima without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Kia Optima, we stock popular OEM and aftermarket Exhaust Parts from top names
like Felpro, Walker, MagnaFlow, and more.
Felpro Exhaust Parts
start at just $6.79 and boast an impressive 4.6 stars average rating from customers.
Walker and MagnaFlow also bring quality to the table, with Exhaust Parts available starting at $5.49, and at an average 4.2 stars rating.
With 249 customer reviews and counting, our 2003 Kia Optima Exhaust Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Exhaust Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2003 Kia Optima is always ready to roll. We’re committed to providing you with everything you need to keep your Optima in top shape, all in one place.
Start shopping confidently below for your 2003 Kia Optima!
Best-Selling Exhaust Fittings for 2003 Kia Optimas
Enhance the driving experience in your Kia with 1 quality Exhaust Fitting components, starting at $3.29.
Walker – Walker Exhaust Clamp Maximum Diameter 2.000 IN, 35335 (Part No.35335)
from
$3.29
Complete your exhaust repair with an Exhaust Mate U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life. Use Walker accessories when installing catalytic converters and mufflers for a complete system upgrade.
See More
Most Popular 2003 Kia Optima Exhaust Manifold and Headers
Customize your Kia with 6 Exhaust Manifold and Headers products
like Exhaust Manifold and Headers, all
priced under $1,552.00.
Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-630 (Part No.674-630)
from
$403.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
See More
Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-629 (Part No.674-629)
from
$461.95
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
See More
Dorman – Dorman Manifold Converter – CARB Compliant, 672-630 (Part No.672-630)
from
$1552.00
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
See More
Dorman – Dorman Manifold Converter – CARB Compliant, 672-629 (Part No.672-629)
from
$1550.00
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.
See More
MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452018 (Part No.452018)
from
$771.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452018. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 452018 includes (2) Nuts, (2) Bolts, (2) Flange Gaskets and interchanges with OE parts 28510-37152, 28510-37371. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More
MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 49273 (Part No.49273)
from
$526.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 49273. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 49273 includes (2) Nuts, (2) Bolts, (2) Flange Gaskets and interchanges with OE parts 28510-37162, 28510-37381. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
See More
Top Picks for 2003 Kia Optima Catalytic Converters
Upgrade Kia Optimas with top-quality Catalytic Converters parts, including 29 OEM and aftermarket selections for your 2003 model.
Walker – Walker Exhaust Pipe Flange Gasket, 31537 (Part No.31537)
from
$5.49
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
See More
Walker – Walker Exhaust Pipe Flange Gasket, 31599 (Part No.31599)
from
$19.79
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
See More
Walker – Walker Exhaust Pipe Flange Gasket, 31534 (Part No.31534)
from
$7.69
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
See More
Walker – "Walker Ultra EPA Universal Catalytic Converter – 2.25"" Inlet (ID) 2.25"" Outlet (ID), 93302" (Part No.93302)
from
$351.99
Designed to comply with EPA emissions requirements while delivering premium performance and durability with assured compliance, Walker Ultra Universal Catalytic Converters are available for import and domestic OBDII (1996 and newer) vehicles.
See More
Walker – "Walker Ultra EPA Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 93236" (Part No.93236)
from
$246.99
Designed to meet EPA emissions requirements while delivering premium performance and durability, Walker Ultra universal catalytic converters fit import and domestic OBDII (1996 and newer) vehicles. Each converter features an OE style high technology washcoat with an optimal precious metal load for assured compliance.
See More
MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99205HM (Part No.99205HM)
from
$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99205HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More
Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 8.000 IN, 16395 (Part No.16395)
from
$1155.00
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More
Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 46.000 IN, 55312 (Part No.55312)
from
$763.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More
MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99204HM (Part No.99204HM)
from
$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99204HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More
Walker – "Walker Ultra EPA Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 93251" (Part No.93251)
from
$207.99
Designed to meet EPA emissions requirements while delivering premium performance and durability, Walker Ultra universal catalytic converters fit import and domestic OBDII (1996 and newer) vehicles. Each converter features an OE style high technology washcoat with an optimal precious metal load for assured compliance.
See More
MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99004HM (Part No.99004HM)
from
$242.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99004HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More
MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51004 (Part No.51004)
from
$252.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51004. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More
Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 48.000 IN, 50479 (Part No.50479)
from
$941.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More
MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205 (Part No.51205)
from
$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More
MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 457104 (Part No.457104)
from
$411.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 457104. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More
MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 444104 (Part No.444104)
from
$356.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444104. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More
MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204 (Part No.51204)
from
$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More
Dorman – Dorman Pre-Converter – CARB Compliant, 678-515 (Part No.678-515)
from
$1434.00
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
See More
MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49906 (Part No.49906)
from
$1263.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49906. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2002-2006 Kia Optima 2.7L & 2002-2005 Hyundai Sonata 2.7L. MagnaFlow 49906 includes (3) Flange Gaskets and interchanges with OE parts 28610-3C875. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
See More
MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51697 (Part No.51697)
from
$1149.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51697. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 51697 includes (2) Flange Gaskets and interchanges with OE parts 28530-38750, 28530-38760, 28530-38770. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
See More
MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 452020 (Part No.452020)
from
$864.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452020. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2001-2006 Kia Optima 2.4L & 1999-2005 Hyundai Sonata 2.4L. MagnaFlow 452020 includes (2) Flange Gaskets and interchanges with OE parts 28530-38750, 28530-38760, 28530-38770. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More
MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452021 (Part No.452021)
from
$821.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452021. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 452021 includes (2) Nuts, (2) Bolts, (2) Flange Gaskets and interchanges with OE parts 28510-37162, 28510-37381. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More
MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 457002 (Part No.457002)
from
$682.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 457002. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2002-2006 Kia Optima 2.7L & 2002-2005 Hyundai Sonata 2.7L. MagnaFlow 457002 includes (3) Flange Gaskets and interchanges with OE parts 28610-3C875. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More
Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-515 (Part No.679-515)
from
$571.99
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
See More
In-Demand Exhaust Hangers for 2003 Kia Optimas
Select from 4 premium Exhaust Hangers parts for your 2003 Kia Optima, with prices ranging from $7.99 to $10.99.
Walker – Walker Exhaust System Hanger Insulator, 35460 (Part No.35460)
from
$8.19
Complete your exhaust repair with Walker insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.
See More
Walker – Walker Exhaust System Hanger Insulator, 35725 (Part No.35725)
from
$8.49
Complete your exhaust repair with Walker insulators. Available in a variety of styles and sizes, they’re designed to work with Walker aftermarket replacement parts for quick and easy installation.
See More
BRExhaust – BRExhaust Exhaust System Hanger, 255-381 (Part No.255-381)
from
$7.99
BRExhaust exhaust insulator mounts are high-quality replacements for original equipment hangers-designed to fit right the first time. They’re manufactured from premium rubber and available for a variety of car, truck, and van applications. BRExhaust exhaust insulator mounts will help keep your components in the right position, resulting in a longer lifespan for your exhaust system.
See More
BRExhaust – BRExhaust Exhaust System Hanger, 255-047 (Part No.255-047)
from
$10.99
BRExhaust exhaust insulator mounts are high-quality replacements for original equipment hangers-designed to fit right the first time. They’re manufactured from premium rubber and available for a variety of car, truck, and van applications. BRExhaust exhaust insulator mounts will help keep your components in the right position, resulting in a longer lifespan for your exhaust system.
See More
Most Sold 2003 Kia Optima Exhaust Pipes
Explore our best-selling Kia parts for the 2003 Optima among 12 OEM and aftermarket options starting from $2.99.
Felpro – Felpro Exhaust Pipe Flange Gasket, 60496-1 (Part No.60496-1)
from
$6.79
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Walker – Walker Exhaust Pipe Flange Gasket, 31309 (Part No.31309)
from
$2.99
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
See More
BRExhaust – BRExhaust Exhaust Pipe Flange Gasket, 256-390 (Part No.256-390)
from
$8.99
BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.
See More
Felpro – Felpro Exhaust Pipe Flange Gasket, 61381 (Part No.61381)
from
$8.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
BRExhaust – BRExhaust Exhaust Pipe Flange Gasket, 256-1062 (Part No.256-1062)
from
$21.99
BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.
See More
Felpro – Felpro Exhaust Pipe Flange Gasket, 61294 (Part No.61294)
from
$25.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
Victor Reinz – Victor Reinz Exhaust Pipe Flange Gasket, 71-15054-00 (Part No.71-15054-00)
from
$14.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More
Felpro – Felpro Exhaust Pipe Flange Gasket, 61383 (Part No.61383)
from
$10.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
Victor Reinz – Victor Reinz Exhaust Pipe Flange Gasket, 71-15050-00 (Part No.71-15050-00)
from
$10.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More
Victor Reinz – Victor Reinz Exhaust Pipe Flange Gasket, 71-15365-00 (Part No.71-15365-00)
from
$8.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More
BRExhaust – BRExhaust Exhaust Pipe Flange Gasket, 256-1119 (Part No.256-1119)
from
$7.29
BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.
See More
Victor Reinz – Victor Reinz Exhaust Pipe Flange Gasket, 71-15381-00 (Part No.71-15381-00)
from
$6.29
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More
Top-Rated Exhaust Parts Brands For Your 2003 Kia Optima
Shop for the best-rated brands offering Exhaust Parts and other products for your 2003 Kia Optimas. Below you’ll find some of our best rated Exhaust Parts from Felpro, Walker, and MagnaFlow, and more. Exhaust Parts from these brands that fit a 2003 Optima start at just $5.49 and are rated as high as 4.6 stars. OEM and aftermarket Exhaust Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Felpro 2003 Kia Optima Exhaust Parts
When it comes to maintaining or upgrading your 2003 Kia Optima, using quality Exhaust Parts is essential to ensure durability and a perfect fit. Felpro ticks all of those boxes. We offer a wide selection of Felpro Exhaust Parts, specifically designed for the 2003 Kia Optima. With over 1 Felpro brand Exhaust Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $6.79. Plus, with over 4 customer reviews and an average rating of 4.6 stars, you can trust that our Felpro Exhaust Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Popular Walker 2003 Kia Optima Exhaust Parts
Walker auto parts is one of the highest quality Exhaust Part brands in the market. Any 2003 Kia Optima owner should feel confident when installing genuine Walker parts in their vehicle. To ensure the best fit and performance for your 2003 Optima, Advance Auto Parts carries a full inventory of 3 Walker Exhaust Parts. Plus you will be keeping your Kia in peak condition while saving money because prices on these Walker Exhaust Parts range from $5.49 to $19.79, plus, with more than 57 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Exhaust Parts below will deliver on both quality and value.
FAQs for 2003 Kia Optima Exhaust Parts
Which Exhaust Parts are best-sellers for 2003 Kia Optimas?
Out of 56 Exhaust Parts that fit 2003 Kia Optimas, the following parts are the top sellers:
- Walker Exhaust Pipe Flange Gasket, 31309 (18370012) – $2.99
- Walker Exhaust Pipe Flange Gasket, 31537 (18370109) – $5.49
- BRExhaust Exhaust System Hanger, 255-381 (20380942) – $7.99
What’s the price range for 2003 Kia Optima Exhaust Parts?
Exhaust Part prices for the 2003 Kia Optima start at $2.99 and go up to $1,552.00 for the most premium parts.
What’s the average price of a Exhaust Part for a 2003 Kia Optima?
The average price for Exhaust Parts for the 2003 Kia Optima is $301.90. Keep in mind the variety of part types within our Exhaust Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Exhaust Parts for other Kia Optima model years?
What are the cheapest Exhaust Parts for my 2003 Kia Optima?
The cheapest 2003 Kia Optima Exhaust Parts we carry in stock are:
- Walker Exhaust Pipe Flange Gasket, 31309 (18370012) – $2.99
- Walker Exhaust Clamp Maximum Diameter 2.000 IN, 35335 (11012223) – $3.29
- Walker Exhaust Pipe Flange Gasket, 31537 (18370109) – $5.49
- Victor Reinz Exhaust Pipe Flange Gasket, 71-15381-00 (12575961) – $6.29
- Felpro Exhaust Pipe Flange Gasket, 60496-1 (5780934) – $6.79
What are the top-rated Exhaust Parts that fit the 2003 Kia Optima?
Out of 249 reviews by customers, our 2003 Kia Optima Exhaust Parts have an average customer rating of . These are some of the highest-rated Exhaust Part types for the 2003 Kia Optima and their top-rated products:
- Exhaust Pipes
- Felpro Exhaust Pipe Flange Gasket, 60496-1 (5780934) – $6.79
What types of Exhaust Parts do you sell for my 2003 Kia Optima?
As of 8/2/26, these are some of the most in-demand types of Exhaust Parts for a 2003 Kia Optima:
Can I get help with 2003 Kia Optima Exhaust Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Kia Exhaust Parts and more.
What is your return policy for Kia Optima Exhaust Parts?
Advance Auto Parts keeps returns simple. For new Kia Optima Exhaust Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
