Calibrated Power Stealth Mach 2 (67mm) Drop In VGT Turbo | 2017-2023 L5P
$3,549.00
Our Guarantees
Product Information
-
Stealth Mach 2 (67) VGT Turbo for L5P Duramax (2017-2023)
The Stealth Mach 2 (67) is a high-performance, stock-appearing drop-in turbo for L5P Duramax trucks. Designed to deliver fast spool-up, strong towing capability, and serious top-end power, it supports up to 800 HP while maintaining drivability and reliability. Supersedes DM1JK1070303000 and DM1MO1070303000.
Key Features
- Airflow supports up to 800 HP
- Up to 650 RWHP with emissions-compliant tuning + basic mods
- 67mm 11-blade billet (2618 alloy) compressor wheel
- 70.4mm 9-blade 713C nickel alloy turbine wheel
- HFV (High Flow Vane) Technology with custom vane assembly
- 81 lbs/min airflow (vs 60 lbs/min stock)
- Wide efficiency range – no surge when towing
- Fully functional exhaust brake
- Direct bolt-on, stock-appearing design
- No core charge (brand new turbo)
- Actuator sold separately
Benefits
- Quick spool-up with strong throttle response
- Lower EGTs under heavy load and towing
- Near 1:1 boost-to-drive pressure ratio
- Improved efficiency and top-end power
- Distinctive turbo whistle and exhaust tone
- Excellent balance of performance and drivability
- HFV Technology: Larger, taller vanes improve airflow and high-load efficiency
- Compressor (67mm): High airflow with wide efficiency range for power and towing
- Turbine (70.4mm): Oversized design reduces drive pressure and improves EGT control
- Optimized System: Designed for fast spool, strong midrange, and maximum top-end
Fitment
- 2017-2023 Chevrolet Silverado 2500HD/3500HD
- 2017-2023 GMC Sierra 2500HD/3500HD
- 6.6L L5P Duramax
- Also Compatible with 2019+ L5D
