The MagnaFlow GMC Sierra 1500 Street Series 15205 brings out the personality of your 6.2L 2011-2013 GMC Sierra 1500 with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3.5in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear Behind Rear Tires exit with 4in. Polished Rolled Edge-Double Wall-Angle Cut tips, this GMC Sierra 1500 exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other GMC Sierra 1500’s to shame. With this system your vehicle will be producing Agressive exterior and Moderate interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15205 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15205 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.