aFe LARGE BORE HD 4in 409-SS DPF-Back Exhaust w/Polished Tip 07.5-12 Dodge Diesel Trucks L6-6.7L(td)

Gain 22% more exhaust flow for improved performance and sound. This DPF-back exhaust is 100% hand MIG-welded, mandrel bent, 4" 409 stainless steel tubing for strength and durability and is finished off with a 5" intercooled, polished exhaust tip to reduce EGT's. This system utilizes factory mounting locations, and includes high quality hardware for a quick, hassle-free installation. Stainless Steel Construction This DPF-Back is constructed of 100% hand MIG-welded, mandrel bent, 4" 409 stainless steel tubing for strength and durability. 5" Diameter Exhaust Tip: Finishing off this exhaust is a 5" diameter slash cut, stainless steel tip with intercooling vents to reduce EGT's at the tailpipe and are badged with laser-cut aFe POWER plates riveted on. Installation is a Snap This system uses factory mounting locations providing stability and hassle-free installation. High quality OE style band clamps are used for a complete 360 degree sealing surface. Flow and Performance This exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum flow and durability. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.