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aFe Power 49-44066 Large Bore-HD 4" 409 Stainless Steel Race Pipe for 2011-2015 GM 6.6L Duramax LML
aFe Power 49-44066 Large Bore-HD 4" 409 Stainless Steel Race Pipe for 2011-2015 GM 6.6L Duramax LML
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Key Features:
  • Not CARB Legal
  • Uses Factory Mounting Locations
  • Increases Horsepower and Torque
  • Lowers EGT's
  • 409 Stainless Steel

2011-2015 GM 6.6L Duramax LML
2015 Only Includes Early Models with Non-Flanged Downpipes
133.7 " to 167.7" wheel bases only
Low Price: $359.00


Part Number:
AFE-49-44066

 

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aFe Power 49-44066 Large Bore-HD 4" 409 Stainless Steel Race Pipe for 2011-2015 GM 6.6L Duramax LML

Product Category Diesel Exhaust Parts
Brand Category aFe Power
Part Number aFe-49-44066
Features Constructed of 4" Mandrel-bent Stainless Steel Tubing for Maximum Flow
OE Style Bayonet Hangers are Used to Maintain a Stable Pipe Location
Uses Factory Mounting Locations Providing Stability and a Hassle-free Installation
Retains Factory Tail-pipe
Material 409 Stainless Steel
Weight 44 lbs
Warranty 2 Years
Emissions 49 State Legal
Special Notes This system is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles.
Manufacture Info

The Large Bore-HD exhaust race pipe is engineered to perform in the most extreme environments. This system is constructed from 4" mandrel-bent stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. Large Bore-HD exhaust race pipes are the perfect combination of performance, fit and value.This system uses factory mounting locations providing stability. The factory exhaust system will require to be cut prior to installation.

Perfect 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:
Large Bore-HD exhaust race pipes are constructed of 4" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.

Fits:
Crew Cab/Short Bed (153.7" Wheelbase), Crew Cab/Long Bed (167.7" Wheelbase), Extended Cab/Short Bed (144.2" Wheelbase), Extended Cab/Long Bed (158.2" Wheelbase) & Single Cab/Long Bed (133.7" Wheelbase) models. This kit will only fit 2015 models equipped with a non-flanged down pipe. Does not fit cab & chassis.

Note:
This is a "Race Only" product used solely for competition. It's use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use, could be in violation of local, state and federal laws.



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