The 3.5L EcoBoost V6 powering the 2015-2017 F150s is capable of throwing down a whole lot more horsepower and torque even with basic tuning, let alone with bolt-on performance upgrades and aggressive custom tuning. On top of the power upgrades, we here at Stage 3 also supply a host of suspension, lighting, and exterior parts that get your truck looking, riding, and feeling just the way you want it. Ford F-150 Fitments: 2015, 2016, 2017 Ford F150 with 3.5L V6 Ecoboost engines. Submodel Fitments: FX2, FX4, King Ranch, Limited, Platinum, Lariat, STX, XLT, XL. Some exceptions apply, please see individual product pages for specific fitments.