No Limit Fab LLYLBZLMMVGT6366W Raw Stage 1 63/66 Drop In Factory Replacement Turbo | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax with Whistle

Features:

• Stage 1 factory replacement turbo
• 63mm compressor for faster spool
• 66mm turbine improves exhaust flow
• Designed for 6.6L Duramax engines
• Compatible with LLY, LBZ, LMM
• Includes signature whistle option
• Direct bolt-on installation
• Raw finish for rugged appearance
• Supports towing and daily driving
• No tuning required for install
• One-year unlimited mileage warranty
• Built for performance and longevity

Boost Performance Without Complicating Your Build

If your Duramax is ready for a little more power but you’re not looking to reinvent the wheel, the No Limit Fab Stage 1 63/66 Drop-In Turbo is the perfect match. Designed specifically for 2004.5 to 2010 GM Silverado and Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax (LLY, LBZ, LMM), this bolt-on turbo offers a clean fit with no tuning or custom fabrication required. The 63mm compressor pairs well with the 66mm turbine to deliver noticeable gains in spool-up, throttle response, and towing capability. It’s a smart step up from stock that brings more fun to your right foot while maintaining everyday drivability. Plus, with the added whistle option, you get that satisfying turbo sound that turns heads without going overboard.

Built Tough and Designed to Last

This turbo doesn’t just perform—it’s built to hold up under pressure. The raw finish gives it a rugged look, but what really matters is what’s underneath. No Limit Fabrication machines each unit with precision to ensure it bolts right in and flows better than the factory unit it replaces. It’s a great match for stock fuel systems and mild tunes, making it ideal for street-driven trucks that see regular work or tow duty. Whether you're chasing reliability, a bit more punch on the highway, or a better balance for light competition use, this turbo delivers. And with a one-year unlimited mileage warranty, you’ve got peace of mind right out of the gate.

Fits: 2004.5, 2005, 2006, 2007, 2008, 2009, 2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax with Whistle