Wehrli 3in V-Band Stainless Downpipe — Fits 2011-2015 Chevy/GMC 6.6L LML Duramax

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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 Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

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Maximize Your LML Duramax's Potential with the Wehrli 3in V-Band Downpipe

Optimize the exhaust system of your 2011-2015 Chevrolet Silverado/GMC Sierra 2500HD/3500HD featuring the 6.6L LML Duramax engine. This Wehrli 3-inch Stainless Steel Downpipe, equipped with a V-Band style connection, is engineered to deliver superior exhaust flow, leading to enhanced engine performance and a more aggressive exhaust note.

Benefits of the Wehrli V-Band Downpipe:

  • Superior Exhaust Flow: The 3-inch diameter and V-Band design ensure a smooth, unrestricted path for exhaust gases, reducing turbo lag and improving overall efficiency.
  • Increased Horsepower & Torque: By reducing exhaust restriction, this downpipe allows the turbo to spool faster and the engine to breathe more freely, resulting in tangible power gains.
  • High-Quality Stainless Steel: Constructed from premium stainless steel for exceptional durability, corrosion resistance, and a long service life, even in demanding environments.
  • Secure V-Band Connection: The V-Band flange provides a strong, leak-free seal and simplifies installation and removal compared to traditional flanged connections.
  • Engineered for LML Duramax: Precision-designed for a direct fit on 2011-2015 Chevrolet and GMC trucks equipped with the 6.6L LML Duramax engine.

This downpipe is a crucial component for Duramax owners seeking to unlock the full performance capabilities of their LML engine. Experience the difference superior exhaust flow makes. Get the Wehrli 3-inch V-Band Stainless Downpipe for your truck at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2015 Chevrolet Silverado 2500 HD LT
2011-2015 Chevrolet Silverado 2500 HD LTZ
2011-2015 Chevrolet Silverado 2500 HD WT
2015 Chevrolet Silverado 2500 HD High Country
2011-2015 Chevrolet Silverado 3500 HD LTZ
2011-2015 Chevrolet Silverado 3500 HD WT
2015 Chevrolet Silverado 3500 HD High Country
2011-2014 GMC Sierra 2500 HD WT
2011-2015 GMC Sierra 2500 HD Denali
2011-2015 GMC Sierra 2500 HD SLE
2011-2015 GMC Sierra 2500 HD SLT
2015 GMC Sierra 2500 HD Base
2011-2014 GMC Sierra 3500 HD WT
2011-2015 GMC Sierra 3500 HD Denali
2011-2015 GMC Sierra 3500 HD SLE
2011-2015 GMC Sierra 3500 HD SLT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Maximize Your LML Duramax's Potential with the Wehrli 3in V-Band Downpipe

Optimize the exhaust system of your 2011-2015 Chevrolet Silverado/GMC Sierra 2500HD/3500HD featuring the 6.6L LML Duramax engine. This Wehrli 3-inch Stainless Steel Downpipe, equipped with a V-Band style connection, is engineered to deliver superior exhaust flow, leading to enhanced engine performance and a more aggressive exhaust note.

Benefits of the Wehrli V-Band Downpipe:

  • Superior Exhaust Flow: The 3-inch diameter and V-Band design ensure a smooth, unrestricted path for exhaust gases, reducing turbo lag and improving overall efficiency.
  • Increased Horsepower & Torque: By reducing exhaust restriction, this downpipe allows the turbo to spool faster and the engine to breathe more freely, resulting in tangible power gains.
  • High-Quality Stainless Steel: Constructed from premium stainless steel for exceptional durability, corrosion resistance, and a long service life, even in demanding environments.
  • Secure V-Band Connection: The V-Band flange provides a strong, leak-free seal and simplifies installation and removal compared to traditional flanged connections.
  • Engineered for LML Duramax: Precision-designed for a direct fit on 2011-2015 Chevrolet and GMC trucks equipped with the 6.6L LML Duramax engine.

This downpipe is a crucial component for Duramax owners seeking to unlock the full performance capabilities of their LML engine. Experience the difference superior exhaust flow makes. Get the Wehrli 3-inch V-Band Stainless Downpipe for your truck at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2015 Chevrolet Silverado 2500 HD LT
2011-2015 Chevrolet Silverado 2500 HD LTZ
2011-2015 Chevrolet Silverado 2500 HD WT
2015 Chevrolet Silverado 2500 HD High Country
2011-2015 Chevrolet Silverado 3500 HD LTZ
2011-2015 Chevrolet Silverado 3500 HD WT
2015 Chevrolet Silverado 3500 HD High Country
2011-2014 GMC Sierra 2500 HD WT
2011-2015 GMC Sierra 2500 HD Denali
2011-2015 GMC Sierra 2500 HD SLE
2011-2015 GMC Sierra 2500 HD SLT
2015 GMC Sierra 2500 HD Base
2011-2014 GMC Sierra 3500 HD WT
2011-2015 GMC Sierra 3500 HD Denali
2011-2015 GMC Sierra 3500 HD SLE
2011-2015 GMC Sierra 3500 HD SLT

Product Details

Product Description

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Maximize Your LML Duramax's Potential with the Wehrli 3in V-Band Downpipe

Optimize the exhaust system of your 2011-2015 Chevrolet Silverado/GMC Sierra 2500HD/3500HD featuring the 6.6L LML Duramax engine. This Wehrli 3-inch Stainless Steel Downpipe, equipped with a V-Band style connection, is engineered to deliver superior exhaust flow, leading to enhanced engine performance and a more aggressive exhaust note.

Benefits of the Wehrli V-Band Downpipe:

  • Superior Exhaust Flow: The 3-inch diameter and V-Band design ensure a smooth, unrestricted path for exhaust gases, reducing turbo lag and improving overall efficiency.
  • Increased Horsepower & Torque: By reducing exhaust restriction, this downpipe allows the turbo to spool faster and the engine to breathe more freely, resulting in tangible power gains.
  • High-Quality Stainless Steel: Constructed from premium stainless steel for exceptional durability, corrosion resistance, and a long service life, even in demanding environments.
  • Secure V-Band Connection: The V-Band flange provides a strong, leak-free seal and simplifies installation and removal compared to traditional flanged connections.
  • Engineered for LML Duramax: Precision-designed for a direct fit on 2011-2015 Chevrolet and GMC trucks equipped with the 6.6L LML Duramax engine.

This downpipe is a crucial component for Duramax owners seeking to unlock the full performance capabilities of their LML engine. Experience the difference superior exhaust flow makes. Get the Wehrli 3-inch V-Band Stainless Downpipe for your truck at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2015 Chevrolet Silverado 2500 HD LT
2011-2015 Chevrolet Silverado 2500 HD LTZ
2011-2015 Chevrolet Silverado 2500 HD WT
2015 Chevrolet Silverado 2500 HD High Country
2011-2015 Chevrolet Silverado 3500 HD LTZ
2011-2015 Chevrolet Silverado 3500 HD WT
2015 Chevrolet Silverado 3500 HD High Country
2011-2014 GMC Sierra 2500 HD WT
2011-2015 GMC Sierra 2500 HD Denali
2011-2015 GMC Sierra 2500 HD SLE
2011-2015 GMC Sierra 2500 HD SLT
2015 GMC Sierra 2500 HD Base
2011-2014 GMC Sierra 3500 HD WT
2011-2015 GMC Sierra 3500 HD Denali
2011-2015 GMC Sierra 3500 HD SLE
2011-2015 GMC Sierra 3500 HD SLT

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