This American Thunder exhaust system has been engineered and dyno tested to improve acceleration, horsepower and torque, and increase fuel economy. Flowmaster uses mandrel-bent tubing that allows for superior gas flow. Aluminized steel provides corrosion resistant quality so your
system will last. The American Thunder system comes with a two chamber
muffler that will give you an aggressive sound. Everything you need for
installation is included.
Features:
All Wheelbases
2.50" Outlet
Super 40 Series Muffler
Mandrel Bent Dual 2.50" Tailpipes
3.00" Logo Embossed Stainless Tip
DOR & DOS pipe extensions included in Kit
Part Number 17417 Fits:
2004 - 2008 Ford Truck F150 4.6L / 5.4L, 2 & 4 Wheel Drive 1/2 Ton