Roush 421711 F-150 Cat-Back Exhaust for 6.2L / 5.0L / 3.5L (2011-2014) Side Exit Fits the 2011-2014 5.0L, 6.2L (including SVT Raptor), & 3.5L F-150s - all cab and bed configurations Note: 6.2L Platinum and Harley Davidson editions require modification to the factory flange Increased air flow and less back pressure to help reach the trucks full potential in horsepower and torque Muffler, outlet pipe, and y-pipe are all polished