Part # 116111000

2001-2004 (FED / 2001 CA) GM 6.6L Duramax High-Flow Exhaust Manifold and Up-Pipe Kit

$899.99 $999.99
By PPE

⚠ WARNING: Cancer & Reproductive Harm

California Proposition 65 Warning - P65warnings.ca.gov

The PPE High-Flow Exhaust Manifolds and Up-Pipes Kit is engineered to improve exhaust flow on diesel engines, reducing backpressure and enhancing overall performance. This kit is ideal for heavy-duty and high-performance applications, providing optimized exhaust efficiency, increased horsepower, and better turbocharger response.


Key Features:

  • High-Flow Design:
    Crafted to reduce exhaust restrictions, allowing for improved flow and enhanced engine efficiency.

  • Durable Construction:
    Made from high-quality stainless steel, designed to withstand extreme temperatures and resist corrosion for long-lasting performance.

  • Improved Turbo Response:
    By reducing backpressure, this kit enhances turbo spool-up times, providing quicker throttle response and increased power output.

  • Complete Kit:
    Includes both exhaust manifolds and up-pipes, ensuring a comprehensive upgrade to the exhaust system.

  • Direct Replacement Fit:
    Designed for a straightforward installation that fits seamlessly with OEM components, making it easy to upgrade your vehicle's exhaust system.


Technical Specifications:

  • Material:
    High-grade stainless steel construction for excellent heat resistance and durability.

  • Compatibility:
    Designed for specific diesel engine applications, suitable for heavy-duty and high-performance use.

  • Function:
    Reduces exhaust backpressure, supports increased horsepower, and improves turbocharger performance.


Installation Notes:
The PPE High-Flow Exhaust Manifolds and Up-Pipes Kit installs as a direct replacement for factory components, providing a complete exhaust system upgrade with improved flow and efficiency. Ideal for those looking to enhance performance, especially in towing or racing scenarios where additional power and response are essential.

Installation Guide

2001-2016 High-Flow Exhaust Manifolds and Up-pipes Kits

2017-2023 High-Flow Exhaust Manifolds and Up-pipes Kits

Compatible Vehicles

2004 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2004 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2004 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2004 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2003 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2003 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2003 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2003 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2002 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2002 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2002 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2002 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2001 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2001 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2001 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2001 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
PART # 116111000
UPC # 840171208849

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