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Essential Wehrli 11-16 Chevrolet 6.6l Lml Duramax High Flow Y-bridge Kit - Candy Red Bundle [ZGPjaUrC]

$80.99 $259.99 -69%

Ultimate Performance for Your LML DuramaxThis Wehrli 11-16 Chevrolet 6.6L LML Duramax High Flow Y-Bridge Kit is the ultimate upgrade for your 6.6L Duramax diesel engine. Designed to replace the OEM upper intake manifold, this high-flow intake kit max

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Ultimate Performance for Your LML Duramax

This Wehrli 11-16 Chevrolet 6.6L LML Duramax High Flow Y-Bridge Kit is the ultimate upgrade for your 6.6L Duramax diesel engine. Designed to replace the OEM upper intake manifold, this high-flow intake kit maximizes airflow and efficiency. With a precision CNC machined cast aluminum high-flow bridge, you can expect a 36% improvement in airflow, unlocking the true potential of your engine. This kit is not just about performance; it's about making the most out of your investment.
  • High-Flow Bridge: Precision CNC machined for maximum airflow volume.
  • 20% Larger Crossover Pipe: Allows full advantage of the larger inlet diameter.

Key Features and Specifications

The LML Y-Bridge Kit includes a unique, 20% larger 3" fabricated aluminum upper crossover intercooler pipe, which is a game-changer for airflow. It pairs seamlessly with the factory intake air heater grid, ensuring superior cold weather performance. The billet resonator plate replaces the stock plastic resonator, enhancing the engine bay appearance and sound quality. Compatibility with OEM throttle valve, EGR controls, and lower passenger side Intercooler Pipe makes installation straightforward.
  • Intercooler Pipe: 20% larger for improved airflow.
  • Billet Resonator Plate: Enhances appearance and sound.

Installation and Compatibility

This high-flow Y-Bridge Kit is designed for stock trucks, requiring no additional modifications or tuning. It's finished in your choice of custom powder colors, ensuring a personalized touch for your vehicle. Pair it with emissions compliant tuning and drop-in turbochargers for the best performance gains. Superseding the GM part number 12658233, this kit is a direct replacement for the OEM Y-bridge, making it an essential upgrade for any 2011-2016 Chevrolet 6.6L LML Duramax diesel engine owner.
  • No Additional Modifications: Stock truck compatibility ensures easy installation.
  • Custom Powder Coating: Personalize your engine bay with your choice of colors.

What Our Customers Say

January 1, 2026

Absolutely no complaints!

A great item. So happy with it all around.

- Krista L..

January 1, 2026

Absolutely no complaints!

An excellent item that I highly, highly value.

- Mateo I..

January 1, 2026

Absolutely no complaints!

This is a really nice and a very solid product.

- Kristine L..

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