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Believe It Wehrli 11-16 Duramax Lml Passenger Side 3.5 In. Intercooler Pipe - Gloss Black Apparel [9KaqmyXd]

$46.99 $150.99 -69%

Top-Quality Intercooler Pipe for Duramax LML Elevate your 2011-2016 LML Duramax engine with our premium 3.5" High Flow Passenger Side Intercooler Pipe. This advanced component is designed to replace the factory plastic two-piece pipe with a robust, o

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Believe It Wehrli 11-16 Duramax Lml Passenger Side 3.5 In. Intercooler Pipe - Gloss Black Apparel [9KaqmyXd]

Top-Quality Intercooler Pipe for Duramax LML

Elevate your 2011-2016 LML Duramax engine with our premium 3.5" High Flow Passenger Side Intercooler Pipe. This advanced component is designed to replace the factory plastic two-piece pipe with a robust, one-piece 14 ga. aluminum construction, offering superior performance and reliability. Crafted with precision, this intercooler pipe is not only a visual upgrade but also a functional one, ensuring optimal airflow between the turbo and engine for improved efficiency and throttle response.

Key Product Features

Experience the difference with our intercooler pipe, which boasts several key features:
  • High-Flow Design: The 3.5" diameter pipe significantly enhances airflow, leading to better performance and power gains.
  • Upgraded Silicone Boots: These boots are engineered to withstand higher boost pressures, eliminating the risk of blown factory boots and reducing horsepower-robbing boost leaks.
  • Custom Powder Coating: Available in your choice of custom colors, this pipe adds a sleek, professional finish to your vehicle.
This intercooler pipe is a direct replacement for the following GM part numbers: 22737494, 20930188, 23421455, 84094727, ensuring compatibility with your vehicle without the need for additional modifications or tuning.

Optimized Performance and Easy Installation

Our intercooler pipe is the perfect choice for both daily drivers and high-performance enthusiasts. It pairs seamlessly with emissions-compliant tuning and drop-in turbochargers, delivering optimum performance gains. The installation process is straightforward, requiring only basic hand tools. This pipe is compatible with stock trucks, making it an ideal upgrade for Silverado 2500 HD and 3500 HD models, as well as GMC Sierra 2500 HD and 3500 HD models. With this intercooler pipe, you can expect improved efficiency, throttle response, and turbo spool up, all while eliminating the weak points in the factory design that can lead to boost leaks or failures.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

It works really, really, really, so very well.

- Math Z..

January 22, 2026

Absolutely no complaints!

It's a very good and a very, very high-quality product.

- Dyfed Z..

January 22, 2026

Absolutely no complaints!

This is a really, really, really, really, really solid buy.

- Caswallon C..

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