Gibson Exhaust 615542 GIB615542 01-05 SILVERADO/SIERRA EXTENDED CAB LONG BED/CREW CAB LONG BED 6.6L DIESEL SINGLE EXHAUST SYSTEM Fits select: 2001-2002,2004-2005 CHEVROLET SILVERADO

Gibson Exhaust 01-05 SILVERADO/SIERRA EXTENDED CAB LONG BED/CREW CAB LONG BED 6.6L DIESEL SINGLE EXHAUST SYSTEM

For the enthusiast who wants the most from their vehicle. Engineered and dyno-tested to give you improved acceleration, maximum hill climbing, towing and passing power. Our best performing exhaust system produces maximum torque and horsepower gains at low-end (1800 to 3000 RPMS ) with a deep aggressive exhaust tone.