Performance Muffler Flowmaster Stainless Steel downpipes Features free-flowing 2

Features free-flowing 2

The new Flowmaster American Thunder® Cat-back exhaust system for 2011-2019 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with 6

Outlet Connection Type: Straight Pipe

Only fits 2009 models built after 08/2008

Performance Muffler Flowmaster Stainless Steel downpipes Features free-flowing 2Overview: Flowmaster's Flow FX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the "chambered" muffler sound. The interior features a large "straight through" stainless steel perforated core, surrounded with high temperature sound absorption materials delivering a deep mellow tone. The internal flow design is reversible, so the muffler can be installed in either direction to