Lexus RX300 Exhaust Parts

Essential Lexus RX300 Exhaust Parts

Dorman – Help – Exhaust Stud Kit – M10-1.25 x 40mm (Part No.03105)

Exhaust Stud Kit - M10-1.25 x 40mm

from

$10.49
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.

Product Features:
  • Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles
  • Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
  • Durable construction – these parts are made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Walker – Exhaust Pipe Flange Gasket (Part No.31391)

Exhaust Pipe Flange Gasket

from

$8.99
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES – Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT – Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS – Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE – Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL – Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER – Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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Felpro – EXHAUST MANIFOLD GASKET SET (Part No.MS 95819)

EXHAUST MANIFOLD GASKET SET

from

$31.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Contains all gaskets and seals to remove and replace exhaust manifold
  • Contains all gaskets and seals to remove and replace exhaust manifold
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Walker – Exhaust 35129 Exhaust Bolt and Spring (Part No.35129)

Exhaust 35129 Exhaust Bolt and Spring

from

$11.29
Complete your exhaust repair with a Walker spring bolt kit. Designed to ensure a tight connection and inhibit leaks, Walker hardware is manufactured from durable and robust material for long service life.

Product Features:
  • KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
  • CONSISTENT PERFORMANCE — Spring designed with the right compression strength for a secure connection
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • THE RIGHT CONNECTION — Designed to be used for ball and socket joint
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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BRExhaust – Exhaust Bolt (Part No.258-944)

Exhaust Bolt

from

$9.79
If the time has come to replace, install, or fix some components of the exhaust system, BRExhaust will have you covered with all necessary accessories, from bolts to hangers, that will help you complete the exhaust job quickly and easily. Getting mounting parts and other accessories and hardware from the manufacturer that designs exhaust systems for the leading North American carmakers will guarantee factory-like quality and perfect fit. Each and every accessory by BRExhaust is made of quality materials to ensure safe and secure exhaust system performance and long service life.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • Proper fit and functionality to finish your install
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BRExhaust – Exhaust Bolt and Spring (Part No.254-999)

Exhaust Bolt and Spring

from

$13.79
BRExhaust offers exhaust flange bolts and kits to secure their premium line of exhaust replacement components. Each component delivers the strength of steel, a proper fit and an easier install or repair. BRExhaust has individual bolts, as well as bolts with springs and nuts to get your project completed. Choose the individual part or kit designed to fit on your vehicle application. The exact fit, easy installation and enduring functionality of BRExhaust’s OE replacement spring and bolt kits instantly equip your ride with optimally restored emissions control.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • Quality construction materials to ensure safe and secure exhaust system performance and a long service life
  • Manufactured according to strict OE standards
  • Sturdy design featuring premium-grade materials
  • Compatible with multiple domestic and import vehicles
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BRExhaust – Exhaust Clamp (Part No.250-058)

Exhaust Clamp

from

$6.49
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.

Product Features:
  • BRExhaust also develops the installation hardware to the same standards.
  • Manufactured from quality materials to ensure maximum durability
  • Proper fit and functionality to finish your install
  • Perfect, gas-tight performance
  • Exhaust accessory that facilitates a complete installation process.
  • Built to OEM specifications
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Walker – Exhaust Clamp (Part No.35336)

Exhaust Clamp

from

$2.99
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.

Product Features:
  • CONNECTS EXHAUST PARTS – Provides secure, leak-resistant connection
  • AVAILABLE IN DIFFERENT SIZES – Offered in a variety of styles and sizes for a quality vehicle repair
  • PREMIUM MATERIALS – Made from quality material for durability and long life
  • BETTER TOGETHER – Use Walker accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade
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Walker – Exhaust Pipe (Part No.53421)

Exhaust Pipe

from

$109.99
Made from aluminized steel for durability, Walker premium pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:
  • RESISTS CORROSION — Durable aluminized steel construction for corrosion resistance and performance
  • EASY TO INSTALL — Manufactured with precision bends and OE-style routings, hangers and connectors for easy installation (where applicable)
  • OE-STYLE PERFORMANCE — Direct-fit design is fixture checked to ensure a precise fit that performs like original equipment
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of lengths and diameters and features the appropriate Inlet Diameter (I.D.) – Outlet Diameter (O.D.) connection; see product specifications for more information
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BRExhaust – Exhaust Pipe (Part No.740-813)

Exhaust Pipe

from

$137.99
BRExhaust exhaust pipes are designed for easy bolt-on installations. Thicker gauge metal prevents the need for flow-resistant wrinkle bends, thereby enhancing overall exhaust performance. This pipe is engineered to meet OE specs to ensure performance, reliability and a precise factory-like fit. This part features a direct-fit design allowing for easy installation. If you are looking for a replacement exhaust pipe that will fit and perform exactly like the stock one while lasting even longer, BRExhaust is the brand you can rely on.

Product Features:
  • Manufactured according to strict OE standards
  • Sturdy design featuring premium-grade materials
  • Precise fitment
  • Hassle-free installation and functionality verified by comprehensive testing procedures
  • Easy installation
  • Direct-fit exhaust system component that saves installation time
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Walker – Direct Fit Exhaust Resonator and Pipe Assembly – 2.5" Inlet (ID) (Part No.56096)

Direct Fit Exhaust Resonator and Pipe Assembly - 2.5" Inlet (ID)

from

$119.99
Designed to fit, perform and sound like the original system, Walker resonators use precise tuning technologies to deliver excellent flow characteristics and OE-style sound.

Product Features:
  • EASY TO INSTALL – Meticulous pipe routing and OE-style hardware, flanges, and brackets for fast, easy installation
  • RESISTS CORROSION – Durable aluminized steel construction and helps reduce corrosion
  • FACTORY SOUND – OE-style louvered tubes (where applicable) help reduce radiated noise for factory-style sound quality
  • STRONG AND DURABLE – Features thick OE-style flanges, hardware and brackets for strength
  • GET MORE MILES FROM YOUR RESONATOR ASSEMBLY – Engineered to fit, perform and sound like the original system
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Dorman – Help – Manifold Bolt and Spring Kit – 3/8-16 x 1-3/4; M10-1.25 x 67mm (Part No.03123)

Manifold Bolt and Spring Kit - 3/8-16 x 1-3/4; M10-1.25 x 67mm

from

$16.49
Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.

Product Features:
  • Ideal replacement – the manifold bolt and spring match the fit and function of the original equipment hardware, including bolt diameter, thread pitch and head type
  • Complete installation – this kit includes hardware required for securely attaching the manifold to the exhaust system
  • Trustworthy construction – the kit’s bolt and spring are made of hardened steel for durable, long-lasting service life
  • Quality tested – kit components have undergone extensive testing to ensure proper function and long service life
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Dorman – Exhaust Bolt and Spring Kit – (2) Springs (2) Studs (sold by each) (Part No.675-221)

Exhaust Bolt and Spring Kit - (2) Springs (2) Studs (sold by each)

from

$7.99
Exhaust manifold fastener kits provide a time-saving solution for repairing the manifold. Each kit is designed for direct replacement of rusted or damaged exhaust bolts and springs.

Product Features:
  • New hardware helps fix exhaust leaks
  • Depending on the application, kits include hardware to securely attach the manifold to the exhaust system
  • Also available separately (where applicable)
  • Hardened steel construction for long-lasting durability
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Flowtech – Terminator; Exhaust Tips (Part No.59905FLT)

Terminator; Exhaust Tips

from

$93.99


Product Features:
  • Show Quality Chrome Platinum
  • Durable Black Finish
  • Can Be Welded Or Clamped
  • Complete The System
  • Glass-Packed Resonators
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Walker – CalCat CARB Universal Catalytic Converter – 2" Inlet (ID) 2" Outlet (ID) (Part No.81806)

CalCat CARB Universal Catalytic Converter - 2" Inlet (ID) 2" Outlet (ID)

from

$398.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:
  • CARB COMPLIANT – For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • SUPERIOR TECHNOLOGY – Optimal high technology wash coat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE – Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE – Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION – Customizable design features expandable bushings for easy fitment and may require specialized fabrication and welding for installation
  • BUY WITH CONFIDENCE – Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity limited warranty
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MagnaFlow – Direct-Fit California Grade Catalytic Converter (Part No.444227)

Direct-Fit California Grade Catalytic Converter

from

$484.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 444227. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun” Body 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 spun” Body 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 specifically for the 1999-2003 Lexus RX300 and interchanges with OE part 18450-20110. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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.

Product Features:
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Durable 308 stainless steel MIG welds
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BRExhaust – Exhaust Nut (Part No.258-038)

Exhaust Nut

from

$5.99
The exact fit, easy installation and enduring functionality of BRExhaust’s OE replacement exhaust nuts instantly equip your ride with optimally restored emissions control. Each OE replacement nut is manufactured using quality materials to ensure maximum durability and is designed to enable hassle-free exhaust repair.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • Manufactured according to strict OE standards
  • Sturdy design featuring premium-grade materials
  • Compatible with multiple domestic and import vehicles
  • Hassle-free installation and functionality verified by comprehensive testing procedures
See More

BRExhaust – Exhaust Pipe Flange Gasket (Part No.256-214)

Exhaust Pipe Flange Gasket

from

$5.29
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.

Product Features:
  • Designed to facilitate hassle-free exhaust repair
  • Precise fitment
  • Manufactured from quality materials to ensure maximum durability
  • Designed for a leak free connection
  • OE structure and design
  • Built to OEM specifications
  • Secure gas-tight connection
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Felpro – Exhaust Pipe Flange Gasket (Part No.61016)

Exhaust Pipe Flange Gasket

from

$25.99
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.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Walker – Exhaust Pipe Flange Gasket (Part No.31334)

Exhaust Pipe Flange Gasket

from

$3.59
Complete your exhaust repair with Walker gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:
  • AVAILABLE IN DIFFERENT SIZES – Offered in a variety of styles and sizes for a quality vehicle repair
  • HEAT RESISTANT – Designed to resist heat for long-lasting performance
  • PREMIUM MATERIALS – Made from high-quality materials for durability and long life
  • ENGINEERING EXPERTISE – Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
  • REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EASIER TO INSTALL – Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
  • BETTER TOGETHER – Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.61106)

Exhaust Pipe Flange Gasket

from

$22.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Helping You Find the Right Exhaust Parts for Your Lexus RX300

You love your RX300. So we’ve made it easier than ever to help you find Lexus RX300 Exhaust Parts in our online catalog. Our inventory holds 56 aftermarket and OEM Exhaust Parts for your Lexus RX300, ranging from $2.99 to $697.99.

We offer parts from 7 brands trusted to make quality Exhaust Parts for your Lexus RX300. Before you buy, take some time to read through customer reviews. We currently have 1,472 reviews of Lexus RX300 Exhaust Parts from previous customers. Some of the top rated parts include Exhaust Pipe Flange Gasket with 4.8 stars and Exhaust Pipe Flange Gasket with 3.6 stars.

Find your RX300 Exhaust Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Lexus RX300 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Exhaust Parts Brands for Your Lexus RX300

Our inventory holds Exhaust Parts for your Lexus RX300 from 7 trusted brands. You’ll find OEM and aftermarket parts from brands like Walker, FELPRO, and Dorman, all of which can keep that Lexus happy.
We have BRExhaust parts available for your Lexus RX300 in categories like Exhaust System Kits and Exhaust Pipes. Some of the top-rated BRExhaust parts in these categories are:
Exhaust Bolt and Spring
from $13.79
(1)
Exhaust Bolt and Spring
Exhaust Pipe Installation Kits
Exhaust Pipe Flange Gasket
from $5.29
(1)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets
Exhaust Spring
from $5.99
(1)
Exhaust Spring
Exhaust Hangers and Hardware

FAQs for Lexus RX300 Exhaust Parts

What are the most purchased Exhaust Parts for the Lexus RX300?

Out of 56 Exhaust Parts for the Lexus RX300, the most popular in our inventory are:
Exhaust Stud Kit - M10-1.25 x 40mm
from $10.49
(12)
Exhaust Stud Kit – M10-1.25 x 40mm
Exhaust Hangers and Hardware
Exhaust Pipe Flange Gasket
from $22.99
(15)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets
Exhaust Pipe Flange Gasket
from $6.49
(20)
Exhaust Pipe Flange Gasket
Exhaust Pipe and Flange Gaskets

What are the top-rated Lexus RX300 Exhaust Parts?

Top-rated Exhaust Parts for your Lexus RX300 based on customer reviews/ratings are:
Exhaust Pipe Flange Gasket
from $3.59
(9)
Exhaust Pipe Flange Gasket
“fit well”
Exhaust Pipe Flange Gasket
from $8.79
(7)
Exhaust Pipe Flange Gasket
“Product seals well, and seems better made than the walker gaskets. Time will tell how it holds up.”
Exhaust Pipe Flange Gasket
from $25.99
(5)
Exhaust Pipe Flange Gasket
“This is a perfect fit for my 12 nissan versa 4 door sedan. Some reviews says it isn’t right,but to me it is.. You have to make sure you’re installing ”