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Your truck's future has never been darker...
Introducing the Blackout Edition Mach 2 Stealth Turbocharger for your 2024-2026 6.6L L5P Duramax from Calibrated Power.
This special edition turbo takes the Stealth 67 Mach 2 you know and love, and gives it a healthy dose of the 'below the radar' look you have come to expect from Duramaxtuner.com. Black anodized billet compressor wheel, black powder coated compressor cover, and black high temp ceramic coated exhaust housing. This turbo provides maximum performance with an ultra low key OEM+ look under the hood.
They'll never know what hit them when you come flying by.
The Ultimate drop-in 67mm turbocharger upgrade for 2024-2026 L5P 6.6L Duramax diesel V8 engine is here! Capable of supplying up to 750HP worth of air flow, DuramaxTuner's Stealth Mach 2 was designed with all out performance and easy tuneability in mind. The Mach 2 features the latest advancements in compressor wheel design and sports a larger and higher flowing turbine for a dramatic improvement to exhaust energy capture and high RPM EGT control.
Say goodbye to lengthy tuning and multiple tune revisions. With the Stealth Mach 2, you’ll enjoy one of the easiest tuning experiences possible, thanks to clear, tailored instructions that ensure you and your tuner know exactly how to dial in this turbo in for peak power and performance.
Airflow to support 750HP
Up to 625 RWHP with stock emissions equipment and basic supporting mods
Tested in competition setups with extensive supporting mods to make 750+ RWHP
Custom Billet Compressor Wheel
67mm - 11 Blade Extended Tip Billet 2618 Aluminum Alloy Compressor Wheel
Provides a wide efficiency range
Less surge prone than other compressor wheel designs
Lightweight and high strength
Provides 81 lbs/min mass airflow compared to 60lbs/min stock
Custom 9-Blade Turbine Wheel
Larger than stock
More aggressive blade angle for better exhaust energy capture
Sized to maximize throttle response for 750hp capability
50% Thicker turbine blades for added heat tolerance
Lower drive pressure under high loads
Lower EGT's under high loads
Boosts effectiveness of compressor wheel upgrade
Produces a distinctive Stealth turbo whistle
Custom Vane Cage
Allows the fit of larger custom turbine wheel
Lighter Rotating Assembly Than Stock
Provides snappy spool-up comparable to factory turbo
Precision balanced in-house
Brand New parts and electronics
No Core Charges
12 month warranty
This Turbo is Designed for you if you...
Want maximum power with great street performance
Want a turbo that's easy to tune
Have reliable performance as your top priority
Have a modified fuel system
Want more power with excellent street performance
Important Notice:
This turbo must only be operated with tuning that uses stock Minimum and Maximum Vane Position tables. Failure to do so can lead to excessive exhaust pressure and boost which may shorten the life of the turbo or engine and may void the turbo warranty.
Damage caused as a result of non-stock vane position tuning modifications will be the responsibility of the owner, not Calibrated Power Solutions Inc.
The 2024-2026 L5P / L5D Stealth Mach 2 Turbo by Calibrated Power is specifically designed for the 2024, 2025, 2026 Chevy Silverado and GMC Sierra 2500, 3500, 4500, 5500, and 6500 models as well as 2024+ International CV (Medium Duty) models. It replaces OEM Part #s 12709701044, 11547786, 12683985, 12689094
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