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PPE 2011-2015 GM 6.6L Duramax Three-Inch 304 Stainless Steel Down Pipe

PPE 2011-2015 GM 6.6L Duramax Three-Inch 304 Stainless Steel Down Pipe

Regular price $152.99 USD
Sale price $152.99 USD Regular price $169.99 USD
Shipping calculated at checkout.

12 Dec. Estimated arrival
09 Dec. Order placed
10-11 Dec. Order dispatches
12 Dec. Delivered!

The PPE 3-Inch 304 Stainless Steel Down Pipes are crafted to enhance exhaust flow and reduce backpressure on 2011-2015 GM 6.6L Duramax engines. With a 3-inch diameter, these down pipes improve turbo efficiency, leading to better throttle response and increased power, making them ideal for heavy-duty and high-performance applications.


Key Features:

  • High-Flow 3-Inch Diameter:
    Reduces backpressure and allows for greater exhaust flow, boosting horsepower and torque.

  • 304 Stainless Steel Construction:
    Built from high-quality, corrosion-resistant stainless steel to ensure durability and reliable performance under extreme temperatures.

  • Improved Turbo Spool-Up:
    By reducing backpressure, these down pipes support faster turbocharger response, enhancing acceleration and throttle control.

  • Direct Fit for 2011-2015 Models:
    Designed specifically for 2011-2015 GM 6.6L Duramax engines, enabling an easy, direct-fit replacement for OEM components.


Technical Specifications:

  • Material:
    Premium 304 stainless steel for exceptional strength and corrosion resistance.

  • Diameter:
    3 inches, optimized to improve exhaust flow and maximize performance.

  • Compatibility:
    Fits 2011-2015 GM 6.6L Duramax engines, suitable for both everyday driving and heavy-duty applications.

  • Function:
    Enhances exhaust flow, reduces backpressure, and improves turbo efficiency for overall engine performance gains.


Installation Notes:
The PPE 3-Inch 304 Stainless Steel Down Pipes install as a direct replacement for factory down pipes on compatible Duramax engines. This upgrade is perfect for drivers seeking enhanced turbo response and improved exhaust flow in demanding or performance-focused scenarios.

Installation Guide

11-14 Duramax Three-Inch Down Pipe

Compatible Vehicles

2015 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2015 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2015 GMC Savana 8 Cyl 6.6 Liter Turbo
2015 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2014 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2014 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2014 GMC Savana 8 Cyl 6.6 Liter Turbo
2014 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2014 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2013 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2013 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2013 GMC Savana 8 Cyl 6.6 Liter Turbo
2013 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2013 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2012 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2012 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2012 GMC Savana 8 Cyl 6.6 Liter Turbo
2012 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2012 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2011 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2011 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2011 GMC Savana 8 Cyl 6.6 Liter Turbo
2011 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2011 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
PART # 117000600
UPC # 840171210323

⚠ WARNING: Cancer & Reproductive Harm

California Proposition 65 Warning - P65warnings.ca.gov

2011-2015 GM 6.6L Duramax Three-Inch 304 Stainless Steel Down Pipe PPE

PPE 2011-2015 GM 6.6L Duramax Three-Inch 304 Stainless Steel Down Pipe

Regular price $152.99 USD
Sale price $152.99 USD Regular price $169.99 USD

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