Flowmaster 817664 American Thunder Cat Back Exhaust System Flowmaster 817664
$1,652.20
The American Thunder cat-back exhaust system for 2009-2021 Toyota Tundra trucks with the 4.6L, 4.7L or 5.7L engine is perfect for the person looking for an deep aggressive exterior tone...
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The American Thunder cat-back exhaust system for 2009-2021 Toyota Tundra trucks with the 4.6L, 4.7L or 5.7L engine is perfect for the person looking for an deep aggressive exterior tone with a mellow growl inside the truck and all of the performance benefits you expect from Flowmaster. This bolt-on emissions-legal system features all stainless steel construction, a specially designed dual inlet Super 40 Series muffler flowing into dual 2.50-inch mandrel-bent tailpipes for maximum performance with a deep tone. The kit comes with two sets of final pipes for either a dual out the back look or dual out behind the rear tires, which is beneficial for towing. The tailpipes are finished off with a pair of 3.50-inch double wall polished stainless steel tips. The system includes all necessary parts and hardware for easy at home installation. Note: Fits 2/4 wheel drive. Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008.
Specifications:
| Description_DES | American Thunder Cat Back Exhaust System |
| Description_EXT | American Thunder Cat Back Exhaust System; Dual; Dual Rear Same Side Exit; 2.5 in. Tubing; 40 Series Big Block Mufflers; 3.5 in. Pol. Stainless Steel Tips; |
| Description_FAB | Mandrel Bent Stainless Steel Tubing |
| Description_FAB | Multiple Exit Styles Provided In Kit |
| Description_FAB | Aggressive Performance Tone |
| Description_FAB | Lifetime Limited Warranty |
| Description_MKT | The American Thunder cat-back exhaust system for 2009-2021 Toyota Tundra trucks with the 4.6L, 4.7L or 5.7L engine is perfect for the person looking for an deep aggressive exterior tone with a mellow growl inside the truck and all of the performance benefits you expect from Flowmaster. This bolt-on emissions-legal system features all stainless steel construction, a specially designed dual inlet Super 40 Series muffler flowing into dual 2.50-inch mandrel-bent tailpipes for maximum performance with a deep tone. The kit comes with two sets of final pipes for either a dual out the back look or dual out behind the rear tires, which is beneficial for towing. The tailpipes are finished off with a pair of 3.50-inch double wall polished stainless steel tips. The system includes all necessary parts and hardware for easy at home installation. Note: Fits 2/4 wheel drive. Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008. |
| Description_SHO | Exhaust System Kit |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2020 | Toyota | Tundra | Limited | |
| 2021 | Toyota | Tundra | Limited | |
| 2017 | Toyota | Tundra | SR5 | |
| 2018 | Toyota | Tundra | SR5 | |
| 2020 | Toyota | Tundra | SR5 | |
| 2021 | Toyota | Tundra | SR5 |
Shipping Information
We offer FREE shipping on all orders within Canada. Most orders ship within 1-2 business days.
Standard delivery typically takes 3-7 business days depending on your location.
Returns Policy
We accept returns within 30 days of purchase. Items must be in original condition with all packaging.
For returns or exchanges, please contact our customer service team.

