Product Description
AFE 49-04043-P ATLAS 4 INCH ALUMINIZED STEEL DPF-BACK EXHAUST SYSTEM FOR 2011-2016 GM 6.6L DURAMAX
The aFe 49-04043-P ATLAS DPF-back exhaust system is engineered for 2011-2016 Chevrolet Silverado and GMC Sierra HD trucks equipped with the 6.6L Duramax diesel engine.
Constructed from durable 4-inch mandrel-bent aluminized steel tubing, this exhaust system improves exhaust flow, enhances throttle response, and delivers a deeper exhaust tone while maintaining compatibility with factory emissions equipment.
The ATLAS system features a true bolt-on installation using factory mounting locations and OE-style hangers for secure fitment and long-term reliability.
Dual 6-inch polished 304 stainless steel exhaust tips provide an aggressive appearance while maintaining a clean OEM-style fit.
FEATURES
- 4-inch mandrel-bent aluminized steel tubing
- DPF-back exhaust system design
- Improves exhaust flow and performance
- Dual 6-inch polished 304 stainless steel exhaust tips
- Bolt-on installation with no cutting required
- Utilizes factory mounting locations
- OE-style bayonet hangers for stable alignment
- Smooth mandrel bends reduce turbulence
- Maintains factory emissions equipment compatibility
- Made in the USA
FITMENT
- 2011 Chevrolet Silverado 2500HD 6.6L Duramax
- 2011 Chevrolet Silverado 3500HD 6.6L Duramax
- 2012 Chevrolet Silverado 2500HD 6.6L Duramax
- 2012 Chevrolet Silverado 3500HD 6.6L Duramax
- 2013 Chevrolet Silverado 2500HD 6.6L Duramax
- 2013 Chevrolet Silverado 3500HD 6.6L Duramax
- 2014 Chevrolet Silverado 2500HD 6.6L Duramax
- 2014 Chevrolet Silverado 3500HD 6.6L Duramax
- 2015 Chevrolet Silverado 2500HD 6.6L Duramax
- 2015 Chevrolet Silverado 3500HD 6.6L Duramax
- 2016 Chevrolet Silverado 2500HD 6.6L Duramax
- 2016 GMC Sierra 2500HD 6.6L Duramax
- 2016 GMC Sierra 3500HD 6.6L Duramax
- 2011 GMC Sierra 2500HD 6.6L Duramax
- 2011 GMC Sierra 3500HD 6.6L Duramax
- 2012 GMC Sierra 2500HD 6.6L Duramax
- 2012 GMC Sierra 3500HD 6.6L Duramax
- 2013 GMC Sierra 2500HD 6.6L Duramax
- 2013 GMC Sierra 3500HD 6.6L Duramax
- 2014 GMC Sierra 2500HD 6.6L Duramax
- 2014 GMC Sierra 3500HD 6.6L Duramax
- 2015 GMC Sierra 2500HD 6.6L Duramax
- 2015 GMC Sierra 3500HD 6.6L Duramax
Fitment Note: Not compatible with certain 2016 3500HD models equipped with factory NOX sensor configurations. Verify emissions equipment before ordering.
WHAT'S INCLUDED
- aFe 49-04043-P ATLAS DPF-back exhaust system
- Dual polished stainless steel exhaust tips
- Installation hardware and clamps
- Factory-style hangers
BENEFITS
- Improves exhaust flow efficiency
- Helps reduce exhaust gas temperatures
- Enhances exhaust tone and appearance
- Maintains compatibility with factory emissions systems
- Provides a clean dual-exit appearance
- No spare tire relocation required
INSTALLATION NOTES
- Bolt-on installation using factory mounting locations
- No cutting or welding required
- Retorque clamps after initial heat cycles
- Inspect exhaust clearances after installation
- Professional installation recommended for best fitment
SPECIFICATIONS
- Brand: aFe Power
- Part Number: 49-04043-P
- Series: ATLAS
- Product Type: DPF-back exhaust system
- Material: Aluminized steel
- Pipe Diameter: 4 inch
- Tip Diameter: Dual 6 inch
- Tip Material: 304 stainless steel
- Engine Compatibility: 6.6L Duramax diesel
- Vehicle Compatibility: 2011-2016 Chevrolet Silverado/GMC Sierra HD
- Exit Configuration: Dual rear exit
- Mounting Style: Factory mounting locations
- Emissions Compatibility: DPF-back system
- CARB EO Number: Not required
- Country of Origin: USA
- Condition: New
FAQ
Does this system remove emissions equipment?
No. This is a DPF-back exhaust system designed to work with factory emissions equipment.
Will this fit a 2016 3500HD?
Some 2016 3500HD trucks equipped with certain NOX sensor configurations may not be compatible. Verify your truck configuration before ordering.
Do I need to relocate the spare tire?
No. This system is designed to install without relocating the factory spare tire.
Is installation bolt-on?
Yes. The system installs using factory mounting locations with no cutting or welding required.
What are the benefits of this exhaust system?
This exhaust system improves exhaust flow, enhances exhaust tone, reduces restriction, and adds an aggressive dual-tip appearance.
