Snow Performance Stage 2 Boost Cooler Chevy/GMC Duramax Diesel Water Injection Kit

Snow Performance Stage 2 Boost Cooler Chevy/GMC Duramax Diesel Water Injection Kit

Marsoni

M251S

$416.67

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

Snow Performance Stage 2 Boost Cooler Chevy/GMC Duramax Diesel Water Injection KitLower EGTs 100 300 degrees and increase HP by 65+ with a cleaner, cooler running Chevy GMC LBZ LLY LMM LML L5P Diesel Duramax! The Snow Performance Diesel Stage 2 Boost Cooler is available for all Duramax owners looking to have the benefit of water methanol injection through out the Duramax's boost range. The Stage 2 utilizes a progressive VC 50 controller (52mm gauge) that commands two water methanol nozzles that proportionally inject more or less

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I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive. It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives. While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.

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Reviewed in the United States on March 7, 2026

Verified Purchase

Jack

Grantham, US

★★★★★ 5

Must have.

Size: 150 ml, Pack of 1

Very good product, works great.

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Reviewed in the United States on May 7, 2026

Verified Purchase

Robert Cordrick

Pawtucket, US

★★★★★ 5

Good for routine engine care

Size: 150 ml, Pack of 1

Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.

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Reviewed in the United States on April 21, 2026

Verified Purchase

Susie

Louisville, US

★★★★★ 5

Worth the money

Size: 150 ml, Pack of 1

Great line of car products. My BMW gets better gas mileage when I use it regularly.

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Reviewed in the United States on April 1, 2026