Direct Replacement Up-Pipe Kit

Features:

• Direct replacement for OEM up-pipes
• Includes driver and passenger side pipes
• Fits all 6.6L Duramax engines from 2001-2010
• Improves exhaust flow and turbo efficiency
• Includes new gaskets for a leak-free seal
• Hardware included for easy installation
• Reduces exhaust backpressure under load
• Prevents common factory up-pipe failure
• Compatible with GM 2500 and 3500 trucks
• Durable construction for long service life

Upgrade Your Duramax With A Worry Free Fit

If you're chasing better performance and long-term reliability, the ATS Direct Replacement Up-Pipe Kit is an upgrade worth making. Designed specifically for 2001-2010 GM 2500HD and 3500HD trucks with the 6.6L Duramax, this kit makes replacing those tired, leaky factory pipes quick and painless. It includes both the driver and passenger side up-pipes, along with all necessary hardware and gaskets, so there’s no guesswork involved. Whether you're restoring power lost to boost leaks or simply avoiding costly exhaust system failures, this kit gives your truck a factory-tight fit with better-than-OE quality. Many truck owners choose this setup when doing other exhaust upgrades or turbo work because it installs clean and holds up well under daily driving or light towing. With no extra fabrication needed, it’s a simple bolt-on solution that saves you time in the garage and money on labor. If you’re chasing smoother exhaust flow and peace of mind, this is a smart move.

Designed To Deliver Factory Fitment With Proven Strength

The ATS 204-138-4248 Up-Pipe Kit is built to address a common issue with aging Duramax systems: up-pipe fatigue and failure. Crafted as a direct replacement, this kit includes both driver and passenger side up-pipes and comes complete with precision-fit hardware and gaskets. It's built to OE spec but with the durability and reliability you expect from ATS components. These pipes are engineered to handle the heat cycles and stress that come with turbocharged diesel performance, ensuring consistent sealing and minimal flex at the joints. Whether you're replacing factory units or upgrading during a turbo or manifold swap, this kit integrates seamlessly with your 6.6L Duramax setup. The flanges are designed to eliminate warping, while the included hardware ensures a secure install. For diesel owners wanting robust, hassle-free exhaust flow, this kit delivers the right fit with lasting results.

Fits: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Notes:

• Designed for 2001-2010 GM 2500HD/3500HD with 6.6L Duramax
• Includes both driver and passenger side up-pipes
• Kit comes complete with hardware and gaskets
• Direct replacement design requires no fabrication
• Ideal for replacing leaking or damaged stock up-pipes
• Sold as a complete kit for convenience and cost savings
• Improves exhaust flow and system reliability
• Recommended during turbo or manifold upgrades
• Helps prevent boost and exhaust leaks under heavy load
• Flanges designed to resist warping and ensure tight seal