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aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Black Tip aFe AFE49-44128-B
aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Black Tip aFe AFE49-44128-B
aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Black Tip aFe AFE49-44128-B
aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Black Tip aFe AFE49-44128-B
aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Black Tip aFe AFE49-44128-B
aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Black Tip aFe AFE49-44128-B
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aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Black Tip

aFe
AFE49-44128-B
802959603833
DPF Back
Out of stock
$ 660.00

SKU: 49-44128-B | UPC: 802959603833

aFe Large Bore-HD 3in 409SS DPF-Back 20-22 GM Trucks L6-3.0L (td) LM2 - Black Tip

This aFe Power DPF-back exhaust system delivers enhanced exhaust flow for 2020-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks equipped with the 3.0L LM2 Duramax diesel engine. Constructed from mandrel-bent 3-inch 409 stainless steel tubing it bolts directly onto factory hangers with no cutting or modifications required. The included 4-1/2-inch black powdercoated 304 stainless steel clamp-on tip adds aggressive style while reducing exhaust gas temperatures for reliable power.

Key Features

  • Mandrel-Bent 3" 409 Stainless Steel Tubing: Provides maximum flow strength and corrosion resistance for long-lasting performance on demanding diesel trucks.
  • 4-1/2" Black 304 Stainless Steel Dual Clamp-On Tips: Features slash cut double-wall design with laser-etched aFe POWER logo for standout rear appearance and passenger-side exit.
  • Heavy Duty Flex Pipe with Interlock Liner: Boosts durability and flexibility to handle vibration and heat in heavy-duty applications.
  • 100% MIG-Welded Construction: Ensures race-level strength at every joint for dependable operation under high exhaust pressures.
  • Factory-Style Hangers and Full Hardware Kit: Enables straightforward direct-fit installation without custom fabrication or additional parts.

Product Notes

  • DPF-back design retains emissions compliance while improving flow downstream of the filter.
  • Moderate sound level enhances truck tone without excessive drone on highways.
  • Intercooled tubing design lowers EGTs for sustained towing and hauling power.

Installation Notes

  • Professional installation recommended.
  • Direct bolt-on system requires no exhaust cutting or vehicle modifications.
  • Utilizes existing factory hangers and includes all clamps bolts and hardware for complete fit.

This Part Fits

Year Make Model Submodel
2020-2022 Chevrolet Silverado 1500 Custom Trail Boss
2020-2022 Chevrolet Silverado 1500 High Country
2020-2022 Chevrolet Silverado 1500 LT
2022 Chevrolet Silverado 1500 LT Trail Boss
2020-2022 Chevrolet Silverado 1500 LTZ
2020-2022 GMC Sierra 1500 AT4
2022 GMC Sierra 1500 AT4X
2020-2022 GMC Sierra 1500 Denali
2022 GMC Sierra 1500 Denali Ultimate
2020-2022 GMC Sierra 1500 Elevation
2020-2022 GMC Sierra 1500 SLE
2020-2022 GMC Sierra 1500 SLT

Why Choose aFe Power?

  • Proven leader in diesel performance exhaust systems for GM trucks.
  • Premium 409 and 304 stainless steel materials built for daily driving and heavy towing.
  • CAD-designed for precise OEM-level fitment on 3.0L LM2 Duramax engines.

Frequently Asked Questions

  • Q: Does this fit my 2021 Silverado 1500 LT with 3.0L diesel?
    A: Yes it provides direct bolt-on fitment for all 2020-2022 Silverado 1500 trims including LT High Country and LTZ with LM2 engine using factory mounting points.
  • Q: What material is the exhaust tip and tubing?
    A: Tubing is 3-inch mandrel-bent 409 stainless steel for durability tips are dual 4-1/2-inch 304 stainless steel with black powdercoat finish and slash cut double-wall edge.
  • Q: What is the warranty and install time?
    A: Backed by aFe Powers limited lifetime warranty typical DIY install takes 1-2 hours with basic tools since it includes all hardware and uses factory hangers.

Shipping & Handling

  • Method: UPS or FedEx Ground freight for oversize items
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed to prevent damage dimensions 49in L x 13in W x 13in H
  • Weight: 47 lbs
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