MagnaFlow Street Series Cat Back Performance Exhaust System Kit 15859 MagnaFlow Street Series Cat Back Performance Exhaust System Kit 15496 Magnaflow Off Road Pro Gas SS Cat Back Exhaust Silverado 1500 Crew Cab Magnaflow 15842 Chevy GMC Silverado Sierra 4.3L,4.8L, 5.3L Dual. The MagnaFlow Street Series Cat Back Performance Exhaust System 15798 brings out the personality of your SUV with our signature resonant, powerful engine tone and dyno proven performance. Thanks to its fast flowing, mandrel bent 4in. main piping and 1 Straight Through mufflers ending in a Single Passenger Side Rear exit with 4in. Polished Welded On Single Wall Angle Cut Rolled Edge tips, this SUV 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 SUV's to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15798 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. 15798 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1 year limited finish warranty and limited lifetime construction warranty.