Off-road adventures or race events can be packed with fun and adrenaline with a single-exit cat-ack exhaust kit installed to your truck. These exhaust kits help move hot harmful air away from the engine, leaving cooler air for the engine to consume. This give your engine more power that helps boost your horsepower and torque on your rig. Pair this exhaust kit with other high-quality accessories like the F150 Towing Upgrades or F150 Raptor wheels and off-road tires. 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.