Thank you for choosing our product! Interstate Muffler Company guarantees workmanship of all products to be free of defect for the life of the product warranty specified to the original purchaser that remains installed on the vehicle originally installed. This warranty is subject to normal use and cannot be damaged by the installer, customer or modified, or changed in any way. See product details.
BlackTie stainless steel tips-12 month warranty on material and manufacture defect when installed professionally.
XPSeries XtremePower Chambers-12 month warranty on material and manufacture defect. XPseries are manufactured using high quality aluminized material designed for long life under normal use. No warranty on rust out is given or implied.
PXPSeries ProlineXtreme Performance mufflers-24 month warranty on material and manufacture defect. PXPseries are manufactured using high quality stainless steel designed for long life under normal use. No warranty on rust out is given or implied.
PXPTSeries ProlineXtreme Performance Truck mufflers-12 month warranty on material and manufacture defect. PXPTseries are manufactured using stainless steel and high quality aluminized material designed for long life under normal use. No warranty on rust out is given or implied.
Route Series-12 month warranty on material and manufacture defect. Route Series mufflers are manufactured using high quality aluminized material designed for long life under normal use.
No warranty on rust out is given or implied.
SuperStreet Mufflers-12 month warranty on material and manufacture defect. SuperStreet mufflers are manufactured using high quality aluminized material designed for long life under normal use.No warranty on rust out is given or implied.