Products Showing Parts for — {{ }}

No Results Showing Parts for — {{ }}
Part #: AFE49-44077

AFE 49-44077 Large Bore HD 2-1/2" Downpipe

2016-2017 GM Colorado/Canyon 2.8L Duramax LWN (See Applications)
Part #: AFE49-44077
$270.74 $ $243.67
Our Recommendations Compatible Products
Scroll to View More


The AFE 49-44077 Large Bore HD 2.5" Downpipe is engineered to perform in the most extreme environments. Constructed from 2.5" stainless steel tubing for maximum flow, this mandrel bent design features smooth transision beds for low turbulence, quicker turbo spool times, and lower EGT's. 

Utilizing the factory mounting locations providing stability and a direct fit.

Leak-Free Seal:
High quality OE style CNC machined flanges are used for a complete 360 degree sealing surface.

Simple Installation:
This system uses factory mounting locations providing stability and hassle-free installation.

Flow and Performance:
This down pipe is constructed of 2-1/2" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.


  • 2-1/2" Mandrel-Bent Construction 
  • Utilizes Factory Mounting Locations For Hassle-Free Installation 
  • 100% Hand Mig-Welded By Certified Craftsmen In Corona California 
Crew Cab, Short Bed (128.3" Wheelbase)
Crew Cab, Long Bed (140.5" Wheelbase)
Extended Cab, Long Bed (128.3" Wheelbase)


  • MFG. Number 49-44077
  • Manufacturer Name AFE
  • Shipping Weight 10.00 lb.
  • Shipping Length 20 in.
  • Shipping Width 8 in.
  • Shipping Height 8 in.
  • UPC 802959600580
  • Warranty Yes
  • Warranty Info 2 Year
  • Prop 65 WARNING: Cancer & Reproductive Harm -


Be the first to rate this item!

Write Review

Customer Photos

Customer Photos

See what others built Submit your photo

Questions and Answers

Ask XDP a Question about this product (Allow 24-48 hours for reply)
No Questions asked yet!
Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.