FordF-150 TRUCKSRaptor 3.5L Automatic Trans. 2&4 Wheel Drive Crew Cab, Short Bed or Extended Cab Standard Bed.Crate Muffler™ Resonators #60650

If you want to lower the sound pressure level (SPL) of your new CrateMufflers™, you can install the Resonator Option. The Resonator Option is designed to attenuate overall sound. This is perfect for customers looking to reducing the sound level 2-3 B(A). This straight-through design will not degrade the performance of your vehicle.