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.

• Tubing Diameter: 2.25-in.Aluminized mandrel bent tubing.
• Tip Description: 3.50in. Polished T304 Stainless; Round Slash- Cut Tip; Clamp on.
• Tip Specification: Inlet 2.25in.; Outlet 3.50in.; L-12in.
• Muffler Description: Baffled & Chambered Design, No internal Packing, Minimal Interior Drone, Aggressive Sound
• Muffler Dimension: 8 in. Round Body; 3 in. Offset Intlet;2.25 in. Dual Outlet; ; L-24 in.
• Additional Description: Includes all hardware and factory style hangers for easy bolt on installation.
• Exit Position: Exits Behind Each Rear Tire.

2004 GMC YUKON XL 1500 5.3L
2005 GMC YUKON XL 1500 5.3L
2006 GMC YUKON XL 1500 5.3L
2007 CHEVROLET AVALANCHE 1500 5.3L
2007 CHEVROLET AVALANCHE 1500 6.0L
2007 CHEVROLET SUBURBAN 1500 5.3L
2007 GMC YUKON XL 1500 5.3L
2008 CHEVROLET AVALANCHE 1500 5.3L
2008 CHEVROLET AVALANCHE 1500 6.0L
2008 CHEVROLET SUBURBAN 1500 5.3L
2008 GMC YUKON XL 1500 5.3L
2009 CHEVROLET AVALANCHE 1500 5.3L
2009 CHEVROLET AVALANCHE 1500 6.0L
2009 CHEVROLET SUBURBAN 1500 5.3L
2009 GMC YUKON XL 1500 5.3L
2010 CHEVROLET AVALANCHE 1500 5.3L
2010 CHEVROLET AVALANCHE 1500 6.0L
2010 CHEVROLET SUBURBAN 1500 5.3L
2010 GMC YUKON XL 1500 5.3L
2011 CHEVROLET AVALANCHE 1500 5.3L
2011 CHEVROLET AVALANCHE 1500 6.0L
2011 CHEVROLET SUBURBAN 1500 5.3L
2011 GMC YUKON XL 1500 5.3L
2012 GMC YUKON XL 1500 5.3L
2013 CHEVROLET AVALANCHE 1500 5.3L
2013 CHEVROLET SUBURBAN 1500 5.3L
2013 GMC YUKON XL 1500 5.3L
2014 CHEVROLET AVALANCHE 1500 5.3L
2014 CHEVROLET SUBURBAN 1500 5.3L
2014 GMC YUKON XL 1500 5.3L