FLOWMASTER AMERICAN THUNDER Cat-Back Exhaust (2019 Silverado & Sierra 1500 5.3L V8)

The Sound That Started It All
American Thunder is the 'original' Flowmaster sound. In most cases a very aggressive sound level, American Thunder systems use various chambered mufflers to achieve the performance gains and aggressive sound that you want from your car or truck, inside and out. Available in stainless steel or economical aluminized steel, American Thunder systems are a great choice when you want to be heard.

Fits 2019 GM Silverado/Sierra 1500 with 5.3L engine and factory single exhaust option (Does Not Fit Crew Cab 2WD with 2 Pc Driveshaft, 2019 LD/Classic body or trucks with factory dual exhaust tailpipes.)

2.50" | CB | DOR/S | S40