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Snow Performance Chevy/GMC Stg 3 Boost Cooler Water Inj. Kit (SS Braided Line/4AN Fittings) w/o Tank

Marsoni M251S
Sale price$625.01
Pay 4 payments of $156.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Snow Performance Chevy/GMC Stg 3 Boost Cooler Water Inj. Kit (SS Braided Line/4AN Fittings) w/o TankSnow 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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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
Based on 158 reviews
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K
Verified Purchase
Kevin Boynton
Carnegie, US
★★★★★ 5
Works
Fit my 1996 xr6 150 just fine. Engine runs at correct temperature so they are working as they should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026
C
Verified Purchase
Champ
Lexington, US
★★★★★ 5
Quick delivery
Fit like they should and seems to be working great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
G
Verified Purchase
GINGER B.
Pawtucket, US
★★★★★ 5
Great product
Great product
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Reviewed in the United States on December 30, 2025
C
Verified Purchase
chris s
Belleville, US
★★★★★ 5
Fit Mercury 150 saltwater 2 stroke great!
These fit my Mercury 150 perfect. Took it out for a test run and engine ran great with no overheating issues.
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Reviewed in the United States on August 26, 2025
R
Verified Purchase
Robert Werkhoven
Carnegie, US
★★★★★ 5
Work’s okay
They work ok, as expected
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Reviewed in the United States on August 26, 2025

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