Roush Performance

Ford F150 Dual Exhaust Improves the power, fuel efficiency, and sound of your F-150 truck Dual side exit exhausts Works with 2004 Ford F-150 4x2 and 4x4 vehicles with 4.6L and 5.4L engine SuperCabs with a 6.5' box and SuperCrew Cabs with a 5.5' box-More aggressive exhaust sound Made of T-304 stainless steel for resistance to corrosion and staining Mandrel-bent tubing for increased air flow Part #R12000006