The big 6.7L Powerstroke V8 under the hood of your 2011-2016 F250 or F350 Super Duty already churns out extremely impressive horsepower and torque numbers. However, there's plenty more power and performance that can be unlocked with even a few basic bolt-on performance parts and tuning. The 6.7L Scorpion is capable of a lot more, and you can find with just a couple of engine parts and upgrades. Ford Super Duty Fitments: 2011, 2012, 2013, 2014, 2015, 2016 Ford F250 & F350 6.7L Submodel Fitments: FX4, King Ranch, Platinum, Lariat, XLT, XL Some Exceptions apply, please see individual product pages for specific fitments.