The Diamond Eye 3-inch dual catback exhaust for 2004–2008 Ford F-150 5.4L gas is a direct-fit stainless steel system intended to replace the factory rear exhaust section. Mandrel-bent tubing and quality fabrication provide smooth transitions and consistent flow. Backed by Diamond Eye’s manufacturing and R&D capabilities, this kit delivers reliable fitment and a finished stainless look for late-model F-150s.
Diamond Eye KIT 3in Catback DUAL GAS SS FORD 5.4L F150 04-08