
The Flowmaster American Thunder Cat-Back Exhaust System, part number 17395, is designed for select 1999-2007 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks with 4.8L or 5.3L engines. Built specifically for Extended Cab, Short Bed trucks on a 143.5-inch wheelbase, this D.O.S.S. dual-out-same-side system features 3-inch mandrel-bent aluminized steel tubing feeding a Super 40 Series chambered muffler, followed by dual 2.5-inch tailpipes. Dual 3-inch polished stainless steel tips complete the NASCAR-inspired side-exit appearance while delivering an aggressive Flowmaster exhaust tone.
Key Features & Specs:
Fitment:
Fits select 1999-2007 Chevrolet Silverado 1500 and GMC Sierra 1500 models with 4.8L or 5.3L engines, Extended Cab, Short Bed, and 143.5-inch wheelbase.
2007 Fitment Note: Fits 2007 Classic Body models only. Does not apply to the redesigned 2007 Silverado/Sierra body style.