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aFe aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P
aFe aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P
aFe aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P
aFe aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P
aFe aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P
aFe aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P
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aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P

aFe
AFE49-44126-B
802959603819
DPF Back
Out of stock
aFe, DPF Back, Exhaust Systems
$ 673.99

SKU: 49-44126-B | UPC: 802959603819

aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 2020 GM Diesel Trucks V8-6.6L (td) L5P

This DPF-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing. It fits 2020 GM 6.6L L5P diesel trucks in Double Cab Short-Bed 149.4" WB, Crew Cab Short-Bed 158.9" WB, Double Cab Long-Bed 162.4" WB, and Crew Cab Long-Bed 172" WB configurations. Dual 5" black 304 stainless tips with riveted aFe POWER logo plates finish the system.

Key Features

  • Construction: 4" mandrel-bent 409 stainless steel tubing
  • Tips: Dual 5" diameter black 304 stainless steel clamp-on tips
  • Collector: Mitered merge collector to reduce turbulence
  • Mounting: Factory style hangers for direct fit installation
  • Welding: 100% MIG-welded for strength
  • Design: CAD engineered for high tolerance factory fitment

Specifications

Detail Value
Brand aFe POWER
Type DPF-Back Exhaust System
Compatibility 2020 GM 6.6L L5P Diesel Trucks
Material 409 Stainless Steel
Tip Finish Black 304 Stainless Steel
SKU 49-44126-B

Whats Included

  • DPF-back exhaust tubing and components
  • Dual black exhaust tips with logo plates
  • Installation hardware and clamps

Product Notes

  • Some cutting may be required per instruction sheet
  • Direct fit to factory mounting locations
  • Increases horsepower torque and throttle response

This Part Fits

Year Range Make Model Notes
2020 GM Silverado/Sierra 2500/3500 6.6L L5P V8 Turbo Diesel all listed cab/bed configs

Why Choose aFe POWER?

  • Mandrel bent tubing maintains flow diameter
  • Black tips add distinctive styling
  • Computer aided design ensures precise fit
  • Race proven MIG welded construction

Frequently Asked Questions

  • Q: Does this system require a tune?
  • A: No tune is required for this DPF-back exhaust.
  • Q: What wheelbase options are covered?
  • A: 149.4" 158.9" 162.4" and 172" wheelbases.
  • Q: Are the tips included?
  • A: Yes dual 5" black 304 stainless tips are included.

Shipping & Handling

  • Method: Ground shipping
  • Availability: In stock – ships same or next business day
  • Packaging: Standard manufacturer packaging
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