2011-2016 3.5L Freak-O-Boost Twin EFR Turbo KitOur EFR twin-turbo kit for the Gen1 2011-2016 F150 EcoBoost represents the state-of-the-art in EcoBoost V6 turbocharging. This setup can extract maximum horsepower from 3.5L EcoBoost engines. Compatible ...