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The Snow Performance Diesel Stage 3 Boost Cooler for 1994–2007 Cummins 5.9L is a water‑methanol injection kit that uses a 2D‑mapped controller to inject by boost and EGT to cut inlet temperatures and reduce EGTs 100–300°F. It can improve fuel economy, lower emissions and deliver 65+ hp for heavy towing. The controller mounts without interior modification, performs boost/EGT monitoring and injection control, and includes a 7‑gal tank.
Snow Performance Stage 3 Boost Cooler 94-07 Cummins 5.9L Diesel Water Injection Kit w/o Tank
