Gibson Exhaust 615539 GIB615539 03-05 SILVERADO/SIERRA 1500SS EXTENDED CAB SB 6.0L AWD SINGLE EXHAUST SYSTEM Fits select: 2003-2004 CHEVROLET SILVERADO K1500, 2005 CHEVROLET SILVERADO C1500

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.

Fits Select:
2003-2004 CHEVROLET SILVERADO K1500 8 Cyl 6 L
2005 CHEVROLET SILVERADO C1500 8 Cyl 6 L
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