aFe 2017-2019 GM HD Duramax 6.6L Large Bore 5″ DPF Back Exhaust System

\Maximize exhaust flow in your 2017-2019 GM 6.6L Duramax L5P with the AFE 49-44085 Large Bore HD 5″ Filter-Back Exhaust System. Constructed from 5″ mandrel-bent T409 stainless steel, this exhaust system uses a high-quality band clamps and OE style bayonet hangers for secure fitment. Designed to utilize all factory mounting locations, this system installs installs easily with a quick, hassle-free installation. Each exhaust system includes massive 6″ diameter polished stainless steel intercooled tips with your choice of polished or powder coated black exhaust tips.

Simple Installation:

All systems use factory mounting locations providing stability and hassle-free installation.

Leak-Free Seal:

High quality band clamps are included for a complete 360 degree sealing surface.

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.

Flow and Performance:

This Large Bore-HD exhaust system is constructed of 5″ mandrel-bent 409 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.

6″ Diameter Intercooled Tip:

Finishing off the exhaust is a 6″ diameter exhaust tip in your choice of a high luster polished finish, or black powdercoated slash cut tip with intercooling vents designed to reduce exhaust gas temperatures at the tailpipe. A unique stainless aFe Power logo plate is riveted on for an aggressive style.

Features:

• 5″ Mandrel-Bent 409 Stainless Steel Tubing
• High Quality Band Clamps & OE Style Bayonet Hangers
• Utilizes Factory Mounting Locations For Hassle-Free Installation

Fitment Guide:

• Crew Cab/Short Bed, 6.6ft Bed, 153.7 Wheelbase
• Crew Cab/Long Bed, 8ft Bed, 167.7 Wheelbase
• Cutting the stock exhaust behind the DPF (Diesel Particulate Filter) is required for all cab configurations.
• All Crew Cabs applies to GM 2500/3500 Pickups. This system is not intended for use on Cab & Chassis applications.

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