Wehrli 100652 2 inch Stainless Driver Up Pipe with Gaskets (Single or Twin Turbo) | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Features:

• Replaces weak factory driver-side up pipe
• Made from heavy-duty 11-gauge stainless steel
• Includes high-strength stainless steel bellows
• Won’t crack or leak like OEM pipes
• Improves turbo spool-up and throttle response
• Helps lower exhaust gas temperatures (EGTs)
• Works with single or compound turbo setups
• Compatible with factory exhaust manifold only
• Designed for 2001–2016 6.6L Duramax engines
• Includes high-quality gaskets for installation
• Built for long-term durability and performance
• Great for towing, racing, or daily use

Say Goodbye To Leaks And Hello To Boost

If you’re tired of dealing with the cracking and leaking that comes with your factory driver-side up pipe, it’s time to bolt in something that’s built to last. The Wehrli 100652 2-Inch Stainless Driver Up Pipe is designed to replace the failure-prone OEM pipe on your 2001–2016 6.6L Duramax with a heavy-duty solution that won’t let you down. Crafted from 11-gauge stainless steel, this pipe is made to handle the heat and pressure of hard-working or high-performance diesel setups. It even features a reinforced stainless steel bellow that won’t crack under load like the thin stock units. You’ll notice quicker turbo spool-up, lower EGTs, and more consistent performance whether you’re towing heavy or hammering down on the highway. This pipe is built to work with any turbo setup, single or compound, as long as you're running the factory exhaust manifold. It’s a rock-solid upgrade that gives you more reliability, more flow, and a lot more peace of mind.

Built For Flow Sealing Strength And Compatibility

The Wehrli 100652 Driver-Side Up Pipe is a precision-engineered replacement designed for 2001–2016 GM Silverado and Sierra 2500HD and 3500HD trucks equipped with the 6.6L Duramax. Constructed from thick 11-gauge stainless steel, this pipe offers a significant durability upgrade over the OEM component, which is known to develop leaks and cracks over time. The unit features a high-grade stainless steel bellow that allows for flexibility and thermal expansion without compromising structural integrity. It is compatible with both single and compound turbocharger setups, as long as the factory exhaust manifold is retained. This ensures fitment across a wide range of modified or performance builds without sacrificing reliability. The pipe also helps improve turbo spool characteristics and reduce exhaust gas temperatures by eliminating restrictions and ensuring a leak-free seal. Included gaskets make installation straightforward and help ensure long-lasting performance. Whether you're building for power, towing, or daily use, this up pipe delivers the strength and flow your Duramax needs.

Fits: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Notes:

• Replaces the OEM driver-side up pipe prone to leaks and cracks
• Constructed from heavy-duty 11-gauge stainless steel
• Includes stainless steel bellow for added durability and flexibility
• Compatible with both single and compound turbo setups
• Designed to work only with the factory exhaust manifold
• Helps reduce exhaust gas temperatures (EGTs)
• Improves turbo spool-up and overall performance
• Includes gaskets for a complete installation
• Fits 2001–2016 6.6L Duramax Silverado and Sierra HD models
• Recommended for high-performance, towing, or daily driving builds