2012 Kia Optima Exhaust Manifold and Headers

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Keep Your 2012 Kia Optima in Top Shape with a Quality Exhaust Manifold and Header

When it comes to maintaining or upgrading your 2012 Kia Optima, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Exhaust Manifold and Header for your Optima. We currently carry a top Exhaust Manifold and Header in stock that is built to last. Whether you’re replacing a damaged Exhaust Manifold and Header or looking to upgrade, our selection for the 2012 Kia Optima ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Catalytic Converters and Exhaust Mufflers to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2012 Kia Optima running smoothly and looking great.

Essential 2012 Kia Optima Exhaust Manifold and Headers

Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-128 (Part No.674-128)

Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 674-128

from

$826.99
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.
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Dorman – Dorman Manifold Converter – CARB Compliant, 672-630 (Part No.672-630)

Dorman Manifold Converter - CARB Compliant, 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.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452047 (Part No.452047)

MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 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.
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Dorman – Dorman Manifold Converter – CARB Compliant, 673-036 (Part No.673-036)

Dorman Manifold Converter - CARB Compliant, 673-036

from

$1634.00
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.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 49273 (Part No.49273)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 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.
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Dorman – Dorman Manifold Converter – CARB Compliant, 672-629 (Part No.672-629)

Dorman Manifold Converter - CARB Compliant, 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 Hm Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 50909 (Part No.50909)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 50909

from

$631.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 50909. 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 50909 includes (2) Flange Gaskets and interchanges with OE parts 28500-3E835, 28510-3E830, 28510-3E836. 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.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51970 (Part No.51970)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51970

from

$999.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51970. 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 51970 includes (2) Flange Gaskets and interchanges with OE parts 28500-25450, 28510-25250, 28510-25450. 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

Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-629 (Part No.674-629)

Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 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

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452044 (Part No.452044)

MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452044

from

$727.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452044. 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 2.7L. MagnaFlow 452044 includes (2) Flange Gaskets and interchanges with OE parts 28500-3E835, 28510-3E830, 28510-3E836. 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.
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Dorman – Dorman Manifold Converter – CARB Compliant, 673-652 (Part No.673-652)

Dorman Manifold Converter - CARB Compliant, 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

Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-630 (Part No.674-630)

Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 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

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452036 (Part No.452036)

MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 452036

from

$769.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452036. 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 2.7L. MagnaFlow 452036 includes (2) Nuts, (2) Bolts, (2) Flange Gaskets and interchanges with OE parts 28510-3E040, 28510-3E046. 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, 452018 (Part No.452018)

MagnaFlow California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter, 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

Most Popular Exhaust Manifold and Header for 2012 Kia Optimas

Enhance your 2012 Kia Optima with this popular Exhaust Manifold and Header we have in stock, for $826.99.

Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-128 (Part No.674-128)

Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 674-128

from

$826.99
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

FAQs for 2012 Kia Optima Exhaust Manifold and Headers

What’s the price range for 2012 Kia Optima Exhaust Manifold and Headers?

We currently have just one Exhaust Manifold and Headers for the 2012 Kia Optima in stock: Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-128 and it costs $826.99.

Does Advance Auto Parts sell Exhaust Manifold and Headers for other Kia Optima model years?

Yes, we carry Exhaust Manifold and Headers for 18 model years of Kia Optimas between 2001 and 2020. The following model years are the most popular for Exhaust Manifold and Header purchases: 2016, 2015, 2014, 2013, 2011, 2010, 2009, 2008, and 2007.

Does Advance Auto Parts sell Exhaust Manifold and Headers for any other 2012 Kia models?

What types of Exhaust Manifold and Headers do you sell for my 2012 Kia Optima?

We currently have just 1 Exhaust Manifold and Header in stock for a 2012 Kia Optima, and as of 8/2/26, it is an Exhaust Manifold and Header.

Can I get help with 2012 Kia Optima Exhaust Manifold and Header orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Kia Exhaust Manifold and Headers and more.

What is your return policy for Kia Optima Exhaust Manifold and Headers?

Advance Auto Parts keeps returns simple. For new Kia Optima Exhaust Manifold and Headers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.