Walker is an OE supplier to many major nameplate vehicle manufacturers.
Trust Walker, an industry leader, for the finest emission control technologies for import and domestic vehicles.
Fits Like OE Because We Make OE.
Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories.
WALKER® EXHAUST SYSTEMS: e-Catalog

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WALKER® EXHAUST SYSTEMS: Support
The Walker® support section will help you find answers to the most frequently asked product and installation questions and provide invaluable technical training information. If you need additional information or assistance, the Walker technical assistance team will be happy to assist you.
Steps to determine the correct replacement converter for each vehicle requiring repair.

Find immediate answers to our most frequently asked questions.

The function of any catalytic converter is to reduce harmful emissions generated by a properly-tuned engine. Learn more here.

A properly functioning exhaust system will not only sound better but it will perform better. Review our inspection techniques and troubleshooting tips.

Troubleshooting exhaust issues can be a challenge. Check out the Walker interactive diagnostic tool to help identify recommended solutions to a variety of exhaust issues.

Catalytic converters can only function efficiently if the engine is operating properly, and the exhaust system is leak-free. Diagnose the cause of emissions problems with 13 key steps.

Technical Service Bulletins (TSB) should be checked early in the diagnosis to avoid misdiagnosis and needless part replacement. Refer to the OE service sites for the latest service bulletins.

For current promotion or rebate questions, please fill out the promotion rebate inquiry form. We look forward to assisting you.

We are so confident that you will be satisfied with Walker® premium exhaust products, we offer this exclusive Safe & Sound® Guarantee.

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