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SKU: 49-44085-P | UPC: 802959600917
aFe LARGE BORE HD 5in 409-SS DPF-Back Exhaust w/Polished Tip 2017-2019 GM Duramax V8-6.6L (td) L5P
This aFe Power Large Bore HD exhaust system delivers maximum exhaust flow for 2017-2019 Chevrolet Silverado 2500 HD 3500 HD and GMC Sierra 2500 HD 3500 HD with 6.6L L5P Duramax diesel engines. Mandrel-bent 5-inch 409 stainless steel tubing reduces backpressure increases horsepower and torque while lowering EGTs for reliable performance on heavy-duty trucks. The DPF-back design installs directly behind the DPF using factory mounts for a perfect fit and aggressive sound.
Key Features
- 5-Inch Mandrel-Bent 409 Stainless Steel Tubing: Provides unrestricted flow with smooth transitions to minimize turbulence boost power and efficiency
- 6-Inch Polished Stainless Steel Tip: Features slash-cut design intercooling vents and laser-cut aFe Power badge for style and reduced tailpipe temperatures
- High-Quality Band Clamps: Ensures 360-degree leak-free seals for durability under high heat and vibration
- OE-Style Bayonet Hangers: Matches factory hangers to hold bushings securely preventing shifts over time
- Factory Mounting Locations: Bolt-on installation uses existing points for quick setup without modifications
Product Notes
- Designed for single rear exit configuration
- Compatible only with L5P Duramax diesel engines
- Ships in one oversized box 60 x 20 x 20 inches 72 lbs
Installation Notes
- Professional installation recommended.
- Bolt-on design completes in under 2 hours with basic tools
- Includes all necessary clamps and hangers no cutting or welding required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2019 | Chevrolet | Silverado 2500 HD | High Country LT LTZ WT |
| 2017-2019 | Chevrolet | Silverado 3500 HD | High Country LTZ WT |
| 2017-2019 | GMC | Sierra 2500 HD | Base Denali SLE SLT |
| 2017-2019 | GMC | Sierra 3500 HD | Denali SLE SLT |
Why Choose aFe Power?
- Engineered and dyno-tested in the USA for proven gains
- 409 stainless steel construction resists corrosion for long life
- Precision mandrel bends ensure consistent performance
Frequently Asked Questions
-
Q: Does this fit 2017-2019 L5P Duramax only?
A: Yes designed specifically for 6.6L L5P diesel in Silverado Sierra 2500/3500 HD no gas engine compatibility -
Q: What material is used for durability?
A: 409 stainless steel tubing and tip resists rust and heat for years of heavy-duty use -
Q: What is the warranty and install process?
A: Limited lifetime warranty bolt-on with factory locations takes 1-2 hours no drilling
Shipping & Handling
- Method: Ground shipping via freight carrier
- Availability: In stock - ships same or next business day
- Packaging: Single box 60 x 20 x 20 inches
- Weight: 72 lbs
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