aFe Power Large Bore-HD 4 Inch 409 Stainless Steel DPF-Back Exhaust System
•Constructed from 4" mandrel-bent stainless steel tubing for maximum flow
•Includes dual rear side exit 6" polished stainless steel clamp-on tips with a black laser-cut stainless steel aFe power plate
•Includes a bolt-on bracket that supports the driver side tailpipe
•Uses high quality band clamps and OE-style bayonet hangers
•Utilizes all factory mounting locations to provide a quick, hassle-free installation
•Incorporates a mitered merge collector
Interested in a new exhaust system for your LML Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructed from 4" mandrel-bent 409 stainless steel tubing and uses high quality band clamps and OE-style bayonet hangers. This unit uses all factory mounting locations and comes with a bolt-on bracket that supports the driver side tailpipe. This provides for a quick, hassle-free installation with no modification necessary. Also included in this exhaust system are dual massive 6" polished 304 stainless steel tips with laser-cut stainless steel aFe power badges. Large Bore-HD exhaust systems are the perfect combination of performance, fit and value.
Single To Dual Exhaust Conversion:
This exhaust is designed to convert the standard single exhaust into an aggressive dual exhaust.
Fits With Spare Tire:
This exhaust system fits perfectly without relocating the spare tire.
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 from 4" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT’s.
Finishing off the exhaust are dual high luster, polished 304 stainless steel slash-cut tips. This tip features a laser-cut stainless steel aFe power badge for an aggressive style.
Massive 6" Black Tips (Optional):
Finishing off the exhaust are dual powder-coated high temp black 304 stainless steel exhaust tips. This tip features a laser-cut stainless steel aFe power badge for an aggressive style.
This System Fits:
Extended Cab/Short Bed, 6.6ft Bed, 143.5” Wheelbase
Crew Cab/Short Bed, 6.6ft Bed, 153.7” Wheelbase
Extended Cab/Long Bed, 8ft Bed, 158.1” Wheelbase
Crew Cab/Long Bed, 8ft Bed, 167.7” Wheelbase
Note: Cutting is required for some cab configurations.
All aFe exhaust systems are engineered and manufactured in their Corona, California manufacturing facility.
|Part Number||49-44080-P, 49-44080-B|
|Type of Part||Cat Back Exhaust|
|Engine Fitment||6.6L Duramax|