Cat-Back Exhaust Kit 09- 13 GM P/U 1500 5.3L Oil Coolers Exhaust System - Force II

Exhaust System - Force II - Cat-Back - Dual Rear Exit - 2

Muffler - Pro Series - 3 in Center Inlet - 3 in Center Outlet - 16 x 6 in Round Body - 22 in Long - Stainless - Black Paint - Universal - Each

Exhaust System - American Thunder - Cat-Back - 3 in Diameter - Single Side Exit - Steel - Aluminized - GM Fullsize Truck 1996-99 - Kit

The ECU must then reduce engine power to prevent detonation

Nicely integrated inlet ducting provides greater airflow efficiencies and the ventilation of air to the fender well has also been improved with a larger outlet

Cat-Back Exhaust Kit 09- 13 GM P/U 1500 5.3L Oil Coolers Exhaust System - Force IIExhaust System Outlaw Cat Back 3 in Tailpipe 3 in Tips Stainless Black Natural 5. 3 L GM LS Series GM Fullsize Truck 2009 13 Kit