Want to power up your rig and gain more horsepower? Installing a cat-back exhaust system will help boost not only horsepower, but torque as well. Feel the drive difference when installing a new exhaust system to your rig. Enhance your drive quality for your next off-road adventure, and enjoy the loud roars that these exhaust systems provide. Pair your exhaust system with other high-quality accessories like the 5.4L F150 cold air induction kit or F150 off-road bumpers. Ford F-150 Fitments: 2009, 2010 Ford F150 with 4.6L or 5.4L engines. Submodel Fitments: FX2, FX4, King Ranch, Lariat, Limited, Platinum, STX, XL, XLT. Some Exceptions apply, please see individual product pages for specific fitments.