The Snow Performance Stage 2 Diesel Boost Cooler for Chevy/GMC Duramax (LBZ/LLY/LMM/LML/L5P) is a water‑methanol injection kit that lowers EGTs 100–300°F and can add 65+ hp across the Duramax boost range. A VC‑50 52mm controller proportionally commands two nozzles with adjustable start and full points for accurate delivery. Kit includes stainless braided line and 4AN fittings; recommended for daily drivers that see light towing.
Snow Performance Chevy/GMC Stg 2 Boost Cooler Water Inj. Kit (SS Brded Line/4AN Fittings) w/o Tank