aFe LARGE Bore-HD 4 IN 409 Stainless Steel Race Pipe Dodge RAM Diesel Trucks 07.5-12 L6-6.7L (td) - 49-42021

All systems use factory mounting locations providing stability and hassle free installation. Updated to one piece design for an even easier installation. High quality OE style flanges are used for a complete 360 deg. sealing surface. OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE style that does not change with time.