Snow Performance Chevy/GMC Stg 3 Boost Cooler Water Injection Kit (SS Braided Line 4AN Fittings)

Snow Performance Chevy/GMC Stg 3 Boost Cooler Water Injection Kit (SS Braided Line 4AN Fittings)

Marsoni

M251S

$625.01

Get it in 3 business days with 1 day shipping. Friday, May 29

Snow Performance Chevy/GMC Stg 3 Boost Cooler Water Injection Kit (SS Braided Line 4AN Fittings)Snow Performance has combined performance, quality, and ease of installation in this new water methanol injection kit designed for all Chevy GMC LBZ LLY LMM LML L5P Duramax Ford owners who demand colder EGTs while towing heavy loads. The Diesel Stage 3 Boost Cooler utilizes a 2D mapped controller that commands injection based on boost pressure and EGTs (exhaust gas temperatures) to maintain extremely cold air inlet temperatures, 100 300 EGT decreases,

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Lake Worth, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025