Walker Manufacturing Warranty

Performance & Sound Guarantee
We challenge you to try our DynoMax® performance mufflers* risk-free for 90 days - if our products* don't meet the challenge, call us for your money back.

90-Day Risk-Free Trial Offer
Try qualifying DynoMax® products* for 90 days. We guarantee you'll experience the DynoMax® performance difference! If, for any reason, the qualifying products* don't live up to your expectations within the first 90 days, replace the products and we will refund your original product's purchase price (which shall not exceed the manufacturer’s suggested retail price), plus labor (up to $50 per exhaust system). We're that confident you will be satisfied with DynoMax® performance products!

*Offer limited to the purchase of DynoMax® Stainless Steel Cat-Back Systems and Ultra Flo™ SS Polished, Ultra Flo™ Welded or Super Turbo™ performance muffler. This offer does not include products which have been modified, improperly applied or installed on vehicles used for commercial or racing purposes. Valid only on vehicles used for private, non-commercial use and may be withdrawn at any time.

Limited Lifetime Warranty (limited to qualifying DynoMax® products only)
Tenneco Inc. warrants qualifying DynoMax® products against defects and wear-out when used on private passenger cars and light trucks under normal operating conditions for as long as such original purchaser owns the vehicle on which they were originally installed.

Limited Lifetime Warranty Qualifying Products:
DynoMax® Ultra Flo™ SS Polished Mufflers
DynoMax® Ultra Flo™ Welded Mufflers
DynoMax® Super Turbo™ Mufflers
DynoMax® Stainless Steel Systems (38XXX and 39XXX Series)

90-Day Limited Warranty (Thrush® mufflers)
Thrush® mufflers carry a 90-Day Limited Warranty against defects in materials or craftsmanship when used on private passenger cars and light trucks under normal operating conditions. Any modification to the product or use inconsistent with the intended application voids this warranty.

Tenneco's obligation under the Limited Lifetime Warranty and 90-Day Limited Warranty is limited to replacement of the worn-out or defective product with the same (or substantially comparable) product in accordance with this warranty. Cost of removal and installation are not included, and any incidental and consequential damages are excluded under this warranty, regardless of when the failure occurs. These warranties have no cash value. The warranties not apply to products which have been modified, improperly applied or installed on vehicles used for commercial or racing purposes.

To make a claim under this warranty, return the worn-out or defective product with the dated original receipt to the dealer or retailer from whom it was purchased or to a Tenneco dealer for verification and exchange under this warranty.

The applicable warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. Any implied warranties you may have under state law are limited to the same duration as this warranty. Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations and exclusion may not apply to you.

Tenneco will contact warranty-serviced consumers to conduct customer satisfaction surveys relating to product and warranty service. Survey activity will provide valuable feedback and help measure the level of consumer satisfaction in different markets.

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