Our new Flowmaster® Flow FX® cat-back exhaust system for the 2009-2013 GM Silverado/Sierra with 4.8L and 5.3L engines is manufactured using 409S stainless steel for years of trouble free service. System features include a 3.00-inch inlet pipe leading into a Flow FX "straight-through" performance muffler for great sound and maximum performance. The single 3.00-inch mandrel-bent tailpipe exits out the side behind the passenger side rear tire and is finished off with large 4.50 inch diameter black ceramic coated 304S stainless steel tip, giving your Silverado or Sierra that custom look that goes hand in hand with the deep performance sound of the Flow FX muffler. The system uses all the factory hanger locations and connections without any cutting or welding for an easy installation that you can do at home. Includes installation instructions and all necessary hardware. Note: Fits both 2/4 Wheel Drive models with 143.5 and 157.5-inch Wheelbases.. 2009-2013 GM Silverado/Sierra 1500, 4.8L and 5.3L engines, 2/4Wheel drive with 143.5 & 157.5-inch Wheelbases. Does not fit Standard Cab models.. Fits 2009-2013 GM Silverado/Sierra 1500, 4.8L and 5.3L engines. 2/4Wheel drive, 143.5 & 157.5-inch Wheelbases. - Aggressive to moderate sound. Flowmaster 09-13 Silverado/Sierra 1500 5.3L FlowFX Cat-Back Exhaust System. Large 4.50-inch Black Ceramic Coated Stainless Steel Tip. Deep Powerful Tone Inside and Outside the Vehicle. Flow FX "Straight-through" Performance Muffler. Flowmaster Flow FX Cat-Back Exhaust System. Mandrel-bent Stainless Steel Tubing. 0913 SILVERADOSIERRA 1500 53L CB S. Includes All Necessary Hardware. Lifetime Limited Warranty. Easy at Home Installation. Great Choice for Towing. SYS 09-13 SILVERADO/. SYS 09-13 SI

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