View our Specials! Coupon Code: SaveIn2026
Gibson Cat-Back - Dual Extreme for a 2001-2006 Chevrolet Silverado 2500 HD, 2004-2004 Chevrolet Silverado 2500, 2001-2006 GMC Sierra 2500 HD and 2004-2004 GMC Sierra 2500.
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For the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains. You can expect to experience gains on average of 15-20 horsepower. Gibson muffler provides a mean performance sound and complemented with polished Stainless Tip. Easy bolt-on installation. No welding required. Backed by a Lifetime Limited Warranty. If you want Extreme, this system is it.
Features:| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2004 - 2004 | Chevrolet | Silverado 2500 | LT | ||
| 2004 - 2004 | Chevrolet | Silverado 2500 | LS | ||
| 2001 - 2006 | Chevrolet | Silverado 2500 HD | LT | ||
| 2001 - 2006 | Chevrolet | Silverado 2500 HD | LS | ||
| 2001 - 2005 | Chevrolet | Silverado 2500 HD | Base | ||
| 2004 - 2006 | Chevrolet | Silverado 2500 HD | WT | ||
| 2004 - 2004 | GMC | Sierra 2500 | SLT | ||
| 2004 - 2004 | GMC | Sierra 2500 | SLE | ||
| 2001 - 2006 | GMC | Sierra 2500 HD | SLT | ||
| 2001 - 2006 | GMC | Sierra 2500 HD | SLE | ||
| 2001 - 2002 | GMC | Sierra 2500 HD | SL | ||
| 2002 - 2005 | GMC | Sierra 2500 HD | Base | ||
| 2004 - 2006 | GMC | Sierra 2500 HD | WT | ||
| 2006 - 2006 | GMC | Sierra 2500 HD | SL |
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For more information on Gibson part number 65017, you can visit the official Gibson website.
