The MagnaFlow Ford F-150 Street Series 15714 brings out the personality of your 5.4L 1999-2003 Ford F-150 with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Dual Same Side Before Passenger Rear Tire exit with 3.5in. Polished Welded-Single Wall-Angle Cut-Cut Edge tips, this Ford F-150 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 Ford F-150’s to shame. With this system your vehicle will be producing VeryAggressive exterior and Aggressive interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15714 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. 15714 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.