Flowmaster 717990 FlowFX Cat-Back Stainless Steel Exhaust System Fits select: 1999-2001 CHEVROLET SILVERADO, 1999-2000 GMC NEW SIERRA

Max increases of up to 14 hp and 13 lb-ft over the stock exhaust at the rear wheels 3.00 to dual 2.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability Dual 4.00-inch black ceramic coated tips add a custom look to the truck Includes complete hardware and factory styled hangers in stock locations for an easy installation FlowFX straight-through performance muffler delivers a deep tone and improved exhaust flow Mandrel-bent 16-gauge 409 stainless steel tubing maximizes exhaust flow with excellent corrosion resistance Lifetime Limited Warranty Fits Select: 1999-2001 CHEVROLET SILVERADO 8 Cyl 5.3 L 1999-2000 GMC NEW SIERRA 8 Cyl 5.3 L 2003-2006 CHEVROLET SILVERADO K1500 8 Cyl 5.3 L 2002 CHEVROLET SILVERADO C1500 8 Cyl 5.3 L 2007 CHEVROLET SILVERADO K1500 CLASSIC 6 Cyl 4.3 L 2003-2006 GMC NEW SIERRA C1500 8 Cyl 5.3 L 2001-2002,2007 GMC NEW SIERRA K1500 8 Cyl 5.3 L and more - add your vehicle to our fit widget to check