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The Snow Performance Diesel Stage 3 Boost Cooler for Chevy/GMC LBZ/LLY/LMM/LML/L5P Duramax is a water‑methanol injection kit that employs a 2D‑mapped controller to inject by boost and EGT, aiming for 100–300°F EGT reductions, cleaner components and improved fuel economy while delivering 65+ hp for towing. It mounts without invasive dash work, includes a 7‑gal tank, and is recommended for Duramax owners who tow heavily.
Snow Performance Chevy/GMC Stg 3 Boost Cooler Water Inj. Kit (SS Braided Line/4AN Fittings) w/o Tank
