Wehrli 11-16 Duramax LML P/S 3.5in. Intercooler Pipe - Candy Teal

If you're working on your 2011-2016 Duramax LML Silverado or Sierra, this Wehrli 3.5-inch passenger side intercooler pipe is a solid upgrade over the factory plastic. The stock pipe is a known weak point, prone to blowing off under higher boost or even failing completely. This one-piece, 14-gauge aluminum pipe is built to handle more pressure, helping to eliminate those frustrating boost leaks that rob your engine of power and efficiency.

Wehrli uses upgraded silicone boots and stainless steel t-bolt clamps, which create a much more reliable seal than the factory clip ring design. This means you can expect improved throttle response and quicker turbo spool-up, as more boost makes its way to the engine. It even includes a threaded bung to reinstall your factory intake temperature sensor, and it's designed to fit right onto stock trucks without needing any other modifications or tuning. The candy teal powder coat finish also adds a nice custom touch under the hood.

This pipe is a direct replacement and installs easily with basic hand tools. While it works great on a stock truck, it really shines when paired with emissions-compliant tuning and a drop-in turbocharger for even better performance gains.