3 inch Driver Side Intercooler Pipe

Features:

• Fits 2004.5–2010 6.6L Duramax engines
• Compatible with LLY, LBZ, and LMM models
• Replaces factory 2.5 inch intercooler pipe
• Upgraded to high-flow 3 inch diameter
• One-piece driver side intercooler pipe
• Includes high-pressure silicone boots
• Comes with heavy-duty T-bolt clamps
• No tuning required for installation
• Powder coated for a clean, durable finish
• Improves boost handling and reliability

Eliminate the Weak Link in Your Boost System

If you’re running more boost or just want to eliminate common failure points in your 2004.5 to 2010 Duramax, the Wehrli 100352 3 Inch Driver Side Intercooler Pipe is a smart upgrade with real-world benefits. The factory 2.5 inch pipe not only restricts flow, but it also uses a reverse bead roll at the turbo that’s known for blowing off under higher boost pressures. Wehrli’s solution is a one-piece, high-flow 3 inch pipe that replaces the stock setup with stronger materials and a more reliable design. It’s built for LLY, LBZ, and LMM trucks, and fits seamlessly without the need for tuning, making it an easy bolt-on for anyone looking to improve reliability and airflow.

Stronger Parts, Cleaner Fit, Better Performance

This intercooler pipe comes complete with straight, high-pressure silicone boots and heavy-duty T-bolt clamps that keep everything locked down tight, even under load. No more angled boots or loose fittings that work themselves free over time. The pipe itself is powder coated for long-lasting durability and a clean look under the hood. It’s the kind of upgrade that doesn’t just support higher performance—it makes your setup more dependable for daily driving, towing, or track use. Whether you're replacing a worn stock component or building a stronger, more responsive charge system, this pipe adds the strength and flow you didn’t know you were missing.

Fits: 2004.5, 2005, 2006, 2007, 2008, 2009, 2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax