GM Duramax LBZ/LMM YB-DMX-Y-Bridge Kit (2006-2010)
Type: Y-Bridge Kit | Fits: GM Duramax
The Duramax LBZ/LMM Y-Bridge Kit replaces the factory intake bridge, which is prone to blowing apart under boost and causing drivability issues. Built with heavy-duty materials and a high-flow design, this kit improves airflow, lowers exhaust gas temperatures, and ensures reliable performance under demanding conditions.
Vehicle Fitment
- 2006 GMC Sierra / Chevrolet Silverado 2500HD & 3500HD 6.6L Duramax LBZ
- 2007 GMC Sierra / Chevrolet Silverado 2500HD & 3500HD 6.6L Duramax LBZ
- 2007–2010 GMC Sierra / Chevrolet Silverado 2500HD & 3500HD 6.6L Duramax LMM
Not Compatible with EGR Systems
What’s Included
- Precision mandrel-bent 3" aluminum intercooler pipe
- Heavy-duty spring clamps
- 4-ply silicone couplers
- Bead-rolled piping for secure sealing
- Gaskets and seals
- Silicone heater hoses
Features
- Heavy-Duty Construction: Built to last longer than weak OEM components.
- 3" Mandrel-Bent Aluminum Piping: Provides smoother airflow and better durability.
- Bead-Rolled Piping: Prevents boost leaks under heavy load.
- Improved Airflow: Reduces turbulence, increases power, and enhances throttle response.
- Lower Exhaust Gas Temperatures (EGTs): Keeps your Duramax cooler and more efficient.
- Complete Hardware: Includes everything needed for a clean, secure installation.
Benefits
- Eliminates the common failure point of factory intake bridges.
- Provides more consistent power delivery under heavy boost.
- Improves engine efficiency and reliability during towing, racing, or daily driving.
- Reduces EGTs for better long-term performance and protection.
- Ensures secure connections with heavy-duty clamps and 4-ply couplers.
Installation
This Y-Bridge Kit is a direct-fit upgrade designed for off-road use. Installation requires removal of the stock bridge and is best performed by a professional mechanic or experienced DIY enthusiast. All hardware, seals, and hoses are included for a complete setup.
Important Notes:
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
