Looking for easy installation, lower EGT’s, and aggressive styling for the backend of your Cummins? Your search is over with AFE’s Large Bore-HD 5” 409 Stainless Steel DPF-Back Exhaust system. This Large Bore-HD exhaust system is constructed of 5" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs. Check out the rest of this systems benefits below:

Simple Installation:

All systems use factory mounting locations providing stability and hassle-free installation. This kit includes an extension pipe for crew cab/long beds.

OE Fit:

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 fit that does not change with time.

Leak-Free Seal:

High quality OE-style flange and band clamps are used for a complete 360 degree sealing surface.

Take a look at your options:

• 6” 409SS Polished Tip: Finishing off the exhaust is a 6" diameter high luster, polished stainless-steel slash-cut exhaust tip. A unique stainless steel laser-cut aFe Power logo plate is riveted on for an aggressive style.
• 6” 409SS Black Tip: Finishing off the exhaust is a 6" diameter black stainless-steel exhaust tip. A unique stainless-steel laser-cut aFe Power logo plate is riveted on for an aggressive style.