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PPE 2015.5-2016 GM 6.6L Duramax Three-Inch 304 Stainless Steel Down Pipes

PPE 2015.5-2016 GM 6.6L Duramax Three-Inch 304 Stainless Steel Down Pipes

Regular price $161.99 USD
Sale price $161.99 USD Regular price $179.99 USD
Shipping calculated at checkout.

29 Dec. Estimated arrival
26 Dec. Order placed
27-28 Dec. Order dispatches
29 Dec. Delivered!

The PPE 3-Inch 304 Stainless Steel Down Pipes are designed to optimize exhaust flow and minimize backpressure on 2015.5-2016 GM 6.6L Duramax engines. With a robust 3-inch diameter, these down pipes improve turbocharger efficiency, enhance throttle response, and support overall engine performance, making them a valuable upgrade for heavy-duty and high-performance use.


Key Features:

  • High-Flow 3-Inch Diameter:
    Increases exhaust flow capacity, reducing backpressure and boosting horsepower and torque.

  • 304 Stainless Steel Construction:
    Made from high-grade stainless steel, offering excellent corrosion resistance and durability in extreme conditions.

  • Enhanced Turbo Response:
    Reduces backpressure, allowing for quicker turbo spool-up and improved throttle control.

  • Direct Fit for 2015.5-2016 Models:
    Specifically engineered for 2015.5-2016 GM 6.6L Duramax engines, ensuring an easy installation and compatibility with OEM components.


Technical Specifications:

  • Material:
    Premium 304 stainless steel for long-lasting durability and resistance to corrosion.

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

  • Compatibility:
    Fits 2015.5-2016 GM 6.6L Duramax engines, suitable for both standard and performance-focused applications.

  • Function:
    Enhances exhaust flow, reduces backpressure, and improves turbocharger performance for greater engine efficiency.


Installation Notes:
The PPE 3-Inch 304 Stainless Steel Down Pipes are a direct replacement for stock down pipes on compatible Duramax engines, providing a straightforward installation. This upgrade is ideal for Duramax owners looking to improve exhaust efficiency and turbo response in both demanding and everyday driving situations.

Compatible Vehicles

2016 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2016 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2016 GMC Savana 8 Cyl 6.6 Liter Turbo
2016 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2016 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
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
2015 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
PART # 117000700
UPC # 840171210378

⚠ WARNING: Cancer & Reproductive Harm

California Proposition 65 Warning - P65warnings.ca.gov

2015.5-2016 GM 6.6L Duramax Three-Inch 304 Stainless Steel Down Pipes PPE

PPE 2015.5-2016 GM 6.6L Duramax Three-Inch 304 Stainless Steel Down Pipes

Regular price $161.99 USD
Sale price $161.99 USD Regular price $179.99 USD

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