Diesel Stage 2.5 Boost Cooler – Duramax, No Tank (SNO-430-T) - Chevy/GMC LBZ·LLY·LMM·LML·L5P
Tow cooler and pull harder—without opening the fuel system. The Snow Performance Stage 2.5 kit adds progressive, boost-based water-meth injection across your Duramax’s entire boost range to knock EGTs down and unlock real, usable power. It’s the daily-driver friendly way to gain up to 65+ HP, keep temps in check on grades, and cut soot/regens—all while keeping your interior clean with an in-gauge controller.
Key Benefits
- Lower EGTs ~100–300°F for safer towing and sustained power under load.
- Up to 65+ HP potential (setup/tune dependent) with stronger mid-range torque.
- Cleaner combustion: helps reduce soot, carbon deposits, and DPF regens.
- Warranty-friendly: system does not leave a tuning signature on the vehicle.
- Made in the USA.
VC-50 Controller (52 mm) Features
- Progressive control scales injection by boost pressure (adjustable start/full points).
- Drives two nozzles for broad, accurate delivery.
- 7-color OLED shows boost, injection %, secondary-nozzle activation, Prime function, and four fault codes (includes clogged/broken line alerts).
- Mounts on the steering column or dash—no extra pods or drilling required.
What’s Included
- VC-50 progressive in-gauge controller
- High-pressure injection pump
- Two Hypersonic nozzles with jetting
- Lines, fittings, wiring, and mounting hardware
- Tank not included — use your existing reservoir or add a Snow tank separately
Fitment
- Chevrolet/GMC Duramax: LBZ, LLY, LMM, LML, L5P
- Ideal for daily-driven trucks that see light towing and want reliable EGT co
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