aFe ATLAS 3in Steel Down-Pipe — 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM

SKU: AFE49-04034
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About aFe aFe Power is the racing-bred air, exhaust, and ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About aFe

aFe Power is the racing-bred air, exhaust, and intercooler brand. From Magnum FORCE intakes to ATLAS exhausts and BladeRunner intercoolers, every aFe product is dyno-tuned for measurable HP and torque gains on Ford, GM, Ram, and import platforms.

Watch in action

aFe ATLAS 3-Inch Steel Turbo Down-Pipe for GM 6.6L Duramax (LLY/LBZ/LMM)

Improve the performance of your GM truck equipped with the 6.6L Duramax diesel engine (LLY, LBZ, LMM) with the aFe ATLAS 3-inch Steel Turbo Down-Pipe. This high-flow down-pipe is engineered to replace the restrictive factory unit on 2004.5-2010 Chevrolet Silverado and GMC Sierra 2500HD/3500HD models, delivering enhanced airflow and quicker turbo response.

Key Features:

  • 3-Inch Mandrel-Bent Steel Tubing: Promotes smoother exhaust flow, reducing backpressure and increasing efficiency.
  • Enhanced Airflow: Designed with smooth transition bends to maximize the volume of air reaching the turbocharger and engine.
  • Faster Turbo Spool: Reduced exhaust restrictions allow the turbo to spool up more quickly, improving throttle response and overall power delivery.
  • 360-Degree Sealing: Features CNC-machined V-band inlets and outlets for an OE-style, leak-free connection to the turbo and exhaust system.
  • Thermal Management: Wrapped with thermal header tape to help reduce EGTs (Exhaust Gas Temperatures) in demanding conditions.
  • Durable Black Finish: Coated for corrosion resistance and a sleek appearance.

The ATLAS turbo down-pipe is constructed from high-quality steel for durability and long-term performance. It's designed to integrate seamlessly with your existing exhaust system, utilizing factory mounting locations for a straightforward installation. Experience a noticeable improvement in throttle response and a more aggressive turbo sound. This down-pipe is a critical component for optimizing the performance of your Duramax engine.

Get the performance edge your GM truck deserves with this upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Chevrolet Silverado 2500 HD Base
2005-2006 Chevrolet Silverado 2500 HD LS
2005-2010 Chevrolet Silverado 2500 HD LT
2006-2010 Chevrolet Silverado 2500 HD WT
2007-2010 Chevrolet Silverado 2500 HD LTZ
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2004 Chevrolet Silverado 3500 WT
2004-2005 Chevrolet Silverado 3500 Base
2004-2006 Chevrolet Silverado 3500 LS
2004-2006 Chevrolet Silverado 3500 LT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2010 Chevrolet Silverado 3500 HD LT
2007-2010 Chevrolet Silverado 3500 HD LTZ
2007-2010 Chevrolet Silverado 3500 HD WT
2004-2010 GMC Sierra 2500 HD SLE
2004-2010 GMC Sierra 2500 HD SLT
2004-2010 GMC Sierra 2500 HD WT
2006 GMC Sierra 2500 HD SL
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2004-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 SLE
2004-2006 GMC Sierra 3500 SLT
2004-2006 GMC Sierra 3500 WT
2006 GMC Sierra 3500 SL
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007-2010 GMC Sierra 3500 HD SLE
2007-2010 GMC Sierra 3500 HD SLT
2007-2010 GMC Sierra 3500 HD WT

Product Details

Product Description
Part Numbers
Sizing & Fit

About aFe

aFe Power is the racing-bred air, exhaust, and intercooler brand. From Magnum FORCE intakes to ATLAS exhausts and BladeRunner intercoolers, every aFe product is dyno-tuned for measurable HP and torque gains on Ford, GM, Ram, and import platforms.

Watch in action

aFe ATLAS 3-Inch Steel Turbo Down-Pipe for GM 6.6L Duramax (LLY/LBZ/LMM)

Improve the performance of your GM truck equipped with the 6.6L Duramax diesel engine (LLY, LBZ, LMM) with the aFe ATLAS 3-inch Steel Turbo Down-Pipe. This high-flow down-pipe is engineered to replace the restrictive factory unit on 2004.5-2010 Chevrolet Silverado and GMC Sierra 2500HD/3500HD models, delivering enhanced airflow and quicker turbo response.

Key Features:

  • 3-Inch Mandrel-Bent Steel Tubing: Promotes smoother exhaust flow, reducing backpressure and increasing efficiency.
  • Enhanced Airflow: Designed with smooth transition bends to maximize the volume of air reaching the turbocharger and engine.
  • Faster Turbo Spool: Reduced exhaust restrictions allow the turbo to spool up more quickly, improving throttle response and overall power delivery.
  • 360-Degree Sealing: Features CNC-machined V-band inlets and outlets for an OE-style, leak-free connection to the turbo and exhaust system.
  • Thermal Management: Wrapped with thermal header tape to help reduce EGTs (Exhaust Gas Temperatures) in demanding conditions.
  • Durable Black Finish: Coated for corrosion resistance and a sleek appearance.

The ATLAS turbo down-pipe is constructed from high-quality steel for durability and long-term performance. It's designed to integrate seamlessly with your existing exhaust system, utilizing factory mounting locations for a straightforward installation. Experience a noticeable improvement in throttle response and a more aggressive turbo sound. This down-pipe is a critical component for optimizing the performance of your Duramax engine.

Get the performance edge your GM truck deserves with this upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Chevrolet Silverado 2500 HD Base
2005-2006 Chevrolet Silverado 2500 HD LS
2005-2010 Chevrolet Silverado 2500 HD LT
2006-2010 Chevrolet Silverado 2500 HD WT
2007-2010 Chevrolet Silverado 2500 HD LTZ
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2004 Chevrolet Silverado 3500 WT
2004-2005 Chevrolet Silverado 3500 Base
2004-2006 Chevrolet Silverado 3500 LS
2004-2006 Chevrolet Silverado 3500 LT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2010 Chevrolet Silverado 3500 HD LT
2007-2010 Chevrolet Silverado 3500 HD LTZ
2007-2010 Chevrolet Silverado 3500 HD WT
2004-2010 GMC Sierra 2500 HD SLE
2004-2010 GMC Sierra 2500 HD SLT
2004-2010 GMC Sierra 2500 HD WT
2006 GMC Sierra 2500 HD SL
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2004-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 SLE
2004-2006 GMC Sierra 3500 SLT
2004-2006 GMC Sierra 3500 WT
2006 GMC Sierra 3500 SL
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007-2010 GMC Sierra 3500 HD SLE
2007-2010 GMC Sierra 3500 HD SLT
2007-2010 GMC Sierra 3500 HD WT

Product Details

Product Description

About aFe

aFe Power is the racing-bred air, exhaust, and intercooler brand. From Magnum FORCE intakes to ATLAS exhausts and BladeRunner intercoolers, every aFe product is dyno-tuned for measurable HP and torque gains on Ford, GM, Ram, and import platforms.

Watch in action

aFe ATLAS 3-Inch Steel Turbo Down-Pipe for GM 6.6L Duramax (LLY/LBZ/LMM)

Improve the performance of your GM truck equipped with the 6.6L Duramax diesel engine (LLY, LBZ, LMM) with the aFe ATLAS 3-inch Steel Turbo Down-Pipe. This high-flow down-pipe is engineered to replace the restrictive factory unit on 2004.5-2010 Chevrolet Silverado and GMC Sierra 2500HD/3500HD models, delivering enhanced airflow and quicker turbo response.

Key Features:

  • 3-Inch Mandrel-Bent Steel Tubing: Promotes smoother exhaust flow, reducing backpressure and increasing efficiency.
  • Enhanced Airflow: Designed with smooth transition bends to maximize the volume of air reaching the turbocharger and engine.
  • Faster Turbo Spool: Reduced exhaust restrictions allow the turbo to spool up more quickly, improving throttle response and overall power delivery.
  • 360-Degree Sealing: Features CNC-machined V-band inlets and outlets for an OE-style, leak-free connection to the turbo and exhaust system.
  • Thermal Management: Wrapped with thermal header tape to help reduce EGTs (Exhaust Gas Temperatures) in demanding conditions.
  • Durable Black Finish: Coated for corrosion resistance and a sleek appearance.

The ATLAS turbo down-pipe is constructed from high-quality steel for durability and long-term performance. It's designed to integrate seamlessly with your existing exhaust system, utilizing factory mounting locations for a straightforward installation. Experience a noticeable improvement in throttle response and a more aggressive turbo sound. This down-pipe is a critical component for optimizing the performance of your Duramax engine.

Get the performance edge your GM truck deserves with this upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Chevrolet Silverado 2500 HD Base
2005-2006 Chevrolet Silverado 2500 HD LS
2005-2010 Chevrolet Silverado 2500 HD LT
2006-2010 Chevrolet Silverado 2500 HD WT
2007-2010 Chevrolet Silverado 2500 HD LTZ
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2004 Chevrolet Silverado 3500 WT
2004-2005 Chevrolet Silverado 3500 Base
2004-2006 Chevrolet Silverado 3500 LS
2004-2006 Chevrolet Silverado 3500 LT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2010 Chevrolet Silverado 3500 HD LT
2007-2010 Chevrolet Silverado 3500 HD LTZ
2007-2010 Chevrolet Silverado 3500 HD WT
2004-2010 GMC Sierra 2500 HD SLE
2004-2010 GMC Sierra 2500 HD SLT
2004-2010 GMC Sierra 2500 HD WT
2006 GMC Sierra 2500 HD SL
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2004-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 SLE
2004-2006 GMC Sierra 3500 SLT
2004-2006 GMC Sierra 3500 WT
2006 GMC Sierra 3500 SL
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007-2010 GMC Sierra 3500 HD SLE
2007-2010 GMC Sierra 3500 HD SLT
2007-2010 GMC Sierra 3500 HD WT

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