Stealth STR Drop-In VVT Turbo for Duramax (LLY / LBZ / LMM)
The Stealth STR turbo is a direct drop-in upgrade for 2004.5-2010 Silverado and Sierra 2500/3500 Duramax trucks. It delivers improved spool-up, airflow, and durability while maintaining the simplicity and affordability of a stock replacement.
Key Features
- Supports up to 600 RWHP (Dynojet)
- Air Grabber 61mm billet compressor wheel (7+7 blade design)
- 67mm high-flow Inconel turbine wheel
- 11mm LML vanes for faster spool and lower drive pressure
- Precision-balanced rotating assembly
- Ported exhaust housing for reduced backpressure
- Capable of 40+ PSI boost
- No core charge
Benefits
- Faster spool-up and improved throttle response
- Lower EGTs and better airflow
- Excellent for daily driving, towing, or performance builds
- Works on stock or tuned trucks (no tuning required)
- Strong reliability with added durability over stock
Fitment
- 2004.5-2010 Chevy Silverado 2500HD/3500HD
- 2004.5-2010 GMC Sierra 2500HD/3500HD
- LLY, LBZ, and LMM Duramax
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