- About 04whitefx4
- How did you find F150Forum.com?
- Found the web site online
- My Truck
- F150 FX4
- it has a true dual super40 flowmaster system with rear cat removed coming strait out the back with stainless steel tips that are 3.5 inchs wide and 14 inchs long it also has a k&n cai with a superchip cortex programmer and an 80mm bbk throttle body and summit racing coils.My FX4 also has a 2.5 inch hbs leveling kit with a 5 inch fabtech block in the rear and is sitting on 295/70/r18