2020-2021 Chevrolet Silverado 2500 HD - Large Bore-HD 4" 409 Stainless Steel DPF-Back Exhaust System

Part#:
49-44126-B
Item Availability : Typically ships in 2-4 business days
$975.98 USD Save: $195.20 (20.00%) $780.78

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4" 409 Stainless Steel Construction:
This DPF-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability.

Dual 5" Diameter Black Intercooled Exhaust Tips:
Finishing off this exhaust system are dual 5" diameter black 304 stainless steel intercooled clamp-on exhaust tips. The tips features an aFe POWER logo plate riveted on for a unique style.

Installation:
Some cutting will be required, see instruction sheet for further information. Utilizing factory style hangers this system mounts directly to factory mounting locations for a hassle-free installation.

Integrated Mitered Merge Collector:
A mitered merge collector is used to decrease turbulence and increase exhaust velocity resulting in increased horsepower, torque and improved throttle response.

Computer-Aided Design:
Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment.

MIG-Welded:
100% MIG-Welded for race-proven strength and durability.

Fitment Note:
This system fits:
Double Cab / Short-Bed - 149.4" Wheelbase
Crew Cab / Short-Bed - 158.9" Wheelbase
Double Cab / Long-Bed - 162.4" Wheelbase
Crew Cab / Long-Bed - 172" Wheelbase

Will not fit vehicles equipped with a 5th wheel hitch

Emissions Disclaimer:
This product does not require a CARB EO#.

aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.
  • Instructions


  • Vehicle Applications

    Year Make Model SubModel Engine Fuel
    2020-2021Chevrolet Silverado 2500 HD Duramax V8 6.6L (td) Diesel
    2020-2021Chevrolet Silverado 3500 HD Duramax V8 6.6L (td) Diesel
    2020-2021GMC Sierra 2500 HD Duramax V8 6.6L (td) Diesel
    2020-2021GMC Sierra 3500 HD Duramax V8 6.6L (td) Diesel
More Information
Weight48.00 lbs
Parent Product TypePerformance Upgrades
Product TypesExhaust Systems
BrandAdvanced Flow Engineering
MakeChevrolet
ModelSilverado HD
Year2020, 2021