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Free Shipping Wehrli 11-16 Chevrolet 6.6l Lml Duramax High Flow Y-bridge Kit - Wcfab Red Massive 30% Savings [gGKsD3SL]

$81.99 $262.99 -69%

Upgrade Your Duramax with WCFab's High Flow Y-Bridge KitElevate the performance of your 2011-2016 Chevrolet 6.6L LML Duramax diesel engine with the WCFab 11-16 Chevrolet 6.6L LML Duramax High Flow Y-Bridge Kit. This comprehensive upgrade replaces the

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Upgrade Your Duramax with WCFab's High Flow Y-Bridge Kit

Elevate the performance of your 2011-2016 Chevrolet 6.6L LML Duramax diesel engine with the WCFab 11-16 Chevrolet 6.6L LML Duramax High Flow Y-Bridge Kit. This comprehensive upgrade replaces the restrictive OEM upper intake manifold, offering a significant boost in airflow. The precision CNC machined cast aluminum high flow bridge increases airflow by an impressive 36%, optimizing your engine's potential for enhanced performance and efficiency. This kit stands out with its unique, 20% larger 3" fabricated aluminum upper crossover intercooler pipe, maximizing the benefits of the high flow bridge design.
  • High Flow Bridge: Precision CNC machined cast aluminum for maximum airflow
  • Increased Airflow: 36% improvement over OEM for superior performance

Technical Specifications and Compatibility

The WCFab High Flow Y-Bridge Kit is designed with technical precision to ensure a seamless fit and optimal performance. It includes a billet resonator plate for a sleek engine bay appearance and improved sound quality. This kit is fully compatible with OEM throttle valve, EGR controls, and lower passenger side Intercooler Pipe, making it an easy installation for stock trucks. For the ultimate performance, pair this kit with the WCFab 3.5" High Flow Intercooler Pipe (WCF100682) and emissions compliant tuning for a drop-in turbocharger upgrade.
  • Factory Fit: Compatible with OEM components for a straightforward installation
  • Custom Colors: Available in a range of custom powder colors

Performance and Everyday Benefits

Experience the difference with the WCFab High Flow Y-Bridge Kit, designed to provide a noticeable improvement in both performance and efficiency. This upgrade is ideal for daily drivers, off-road enthusiasts, and anyone looking to maximize their Duramax's potential. The incorporated factory intake air heater grid ensures superior cold weather performance, while the billet resonator plate contributes to a more aggressive sound. With no additional modifications required, this kit is the perfect choice for truck owners seeking a performance boost without the hassle.
  • Performance Gains: Optimizes engine performance and efficiency
  • Enhanced Sound: Billet resonator plate for a more aggressive turbo and engine sound

What Our Customers Say

January 5, 2026

Absolutely no complaints!

Better than I could have ever imagined.

- Tatiana H..

January 5, 2026

Absolutely no complaints!

This went beyond my expectations.

- Collin H..

January 5, 2026

Absolutely no complaints!

Amazing product, incredible price.

- Lorenzo S..

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