Blessed Performance has the Duramax Tuner Stealth MACH 1 Drop-In Turbo will breathe new life back into your 2004.5-2010 GM 6.6L Duramax. The Stealth Mach 1 Turbo is the next evolution in VVT performance. While the stock turbo starts to choke past 530rwhp and struggles to manage EGTs under extended load, the Mach 1 extends that curve all the way to 650HP—all while improving response, towing capability, and overall control.
This turbo is a great fit if you...
- Are running a stock or modified fuel system
- Have or may be getting custom tuning (no tuning required)
- Want to retain your factory turbo brake functionality
- Need a reliable upgrade for towing performance
- Want great daily drivability with 650RWHP capability
- Want more power, great response, and added durability
KEY FEATURES
- 63mm 11-Blade extended tip compressor wheel
- 8% larger 10-blade high flow turbine wheel
- Optimized High Flow Vane (HFV) design
- Grooved Journal Bearings for added oiling and longevity
- Machine-ported up-pipe inlets for improved flow
- Capable of making up to 40psi of boost
- Brand new parts-No core charges
- 1-year warranty with options to extended coverage
HIGHLIGHTS:
- Proven to support over 650RWHP
- Supports up to 600RWHP with stock emissions system and tuning
- Extra airflow to make +120RWHP over 'Tune Only'
- Built for throttle response, reliable power, and extreme durability
- Lightweight rotating assembly for fast, responsive spool-up
- Superior drive to boost pressure ratio compared to stock
- Lower average EGTs and better overall EGT control—even while towing
- Upgraded grooved journal bearings for better cooling and lubrication
- 10-blade turbine provides distinct Stealth turbo whistle
- Reduced compressor surge, even under high load
- Brand New Parts - No core charges
- Fits: 2004.5, 2005, 2006, 2007, 2007.5, 2008, 2009, and 2010 LLY, LBZ, LMM Chevy/GMC Silverado/Sierra 2500HD/3500HD