Mazda RX-8 Catalytic Converters

Your One-Stop Shop For Trusted Mazda RX-8 Catalytic Converters

If you’re in search of Mazda RX-8 Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 5 Catalytic Converters from top brands with prices ranging from $189.99 to $723.99.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your Mazda RX-8. Of the 2 OEM and aftermarket parts brands we carry, some of the most popular are Walker and Magnaflow.

And don’t forget to read customer reviews across all Catalytic Converters categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Catalytic Converters have to cost top dollar, and we prove it. Browse our top Mazda RX-8 Catalytic Converters below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Mazda RX-8 Catalytic Converters

MagnaFlow – OEM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.51356)

OEM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$202.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51356 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. 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.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.55531)

Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed

from

$696.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker® Ultra® Direct-Fit Catalytic Converters provide premium performance and are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:
  • EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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Walker – Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No.93268)

Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed

from

$208.99
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.

Product Features:
  • EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • 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/or welding for installation
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23909)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$723.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23909. 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 2004-2011 Mazda RX-8 and interchanges with OE parts N3Y6-20-55X and N3Y3-20-55X, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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.

Product Features:
  • 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.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – HM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.99356HM)

HM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$189.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99356HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. 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.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Catalytic Converters Brands You Can Trust For Your Mazda RX-8

2 trusted brands of Catalytic Converters line our shelves, ready to help keep your Mazda RX-8 running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Most Purchased Mazda RX-8 Catalytic Converters from Walker

When you buy the most frequently purchased Walker brand Catalytic Converters, you can be confident it will be the right part for your Mazda RX-8. Here are the Walker Catalytic Converters Advanced Auto customers buy the most:
OEM Grade Federal / EPA Compliant Universal Catalytic Converter
from $202.99
This product is not rated
OEM Grade Federal / EPA Compliant Universal Catalytic Converter
Catalytic Converters

FAQs for Mazda RX-8 Catalytic Converters

What are the most purchased Catalytic Converters for the Mazda RX-8?

Out of 5 Catalytic Converters for the Mazda RX-8, the most popular in our inventory are:
OEM Grade Federal / EPA Compliant Universal Catalytic Converter
from $202.99
This product is not rated
OEM Grade Federal / EPA Compliant Universal Catalytic Converter
Catalytic Converters
Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed
from $696.99
This product is not rated
Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed
Catalytic Converters