The AFE 49-44086 Large Bore HD Dual 4″ Filter-Back Exhaust System for your 2017-2019 GM 6.6L Duramax L5P is engineered to perform in the most extreme environments. Constructed from mandrel bent, T409 stainless steel tubing for maximum flow, this system is designed to increase horsepower, increase torque and lower EGT’s.
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 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 from 4″ mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.
Massive 5″ Tips:
Finishing off the exhaust are your choice of dual powder-coated high temp black, or polished 304 stainless steel exhaust tips. This tip features a laser-cut stainless steel aFe power badge for an aggressive style.
Features:
- 4″ Mandrel-Bent Stainless Steel
- Dual, Filter-Back Exhaust System
- Your Choice Of Black Or Polished Exhaust Tips
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 some cab configurations. All Crew Cabs applies to GM 2500/3500 pickups only. This system is not intended for Cab & Chassis models or 5th Wheel Package Models
Vehicle Applications
YEAR | MAKE | ENGINE |
---|---|---|
2017 | Chevy | 6.6L L5P Duramax |
2018 | Chevy | 6.6L L5P Duramax |
2019 | Chevy | 6.6L L5P Duramax |
2017 | GMC | 6.6L L5P Duramax |
2018 | GMC | 6.6L L5P Duramax |
2019 | GMC | 6.6L L5P Duramax |
Product Options
PART NUMBER | EXHAUST TIP FINISH |
---|---|
49-44086-B | Black Powdercoat |
49-44086-P | Polished |
Specifications
- Manufacturer Name AFE
- Shipping Weight 56.00 lb.
- Shipping Length 49 in.
- Shipping Width 13 in.
- Shipping Height 23 in.
- Fuel Type Diesel
- Prop 65 WARNING: Cancer & Reproductive Harm – P65Warnings.ca.gov
- Internal LR
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