This cat-back kit deletes your factory resonator to provide a more aggressive sound.
F150 Wheelbase Fitment: this kit will only directly bolt on to trucks with a 145" wheelbase. The kit may require modifications for other wheelbase sizes. A version for 157" wheelbases is also available.
Check out our install guide of this cat-back kit on our 2011 F150 EcoBoost Project Truck!