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Nitrous Express Direct Port Water Injection 6 Cyl Stage 3 w/Hardlines

Marsoni M251S
Sale price$814.37
Pay 4 payments of $203.59 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Nitrous Express Direct Port Water Injection 6 Cyl Stage 3 w/HardlinesNX direct port water methanol systems inject the water methanol mixture directly into each intake runner providing excellent distribution to each cylinder. These systems include a high pressure electric pump, high pressure push lock hose, filtered nozzles, nickel plated fittings and a composite reservoir. Stage one systems include a wide open throttle activation switch while stage 2 and stage 3 systems include digital progressive controllers that
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  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
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Michael Rhodes
New York, US
★★★★★ 5
Outboard thermostat
Works fine. A little pricey but better to buy the best than risk a cheap failure and destroy your engine like i did once.
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Reviewed in the United States on May 29, 2026
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carlos febus
Waukegan, US
★★★★★ 5
Good
Good
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Reviewed in the United States on April 27, 2026
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Will Rhoden
Carnegie, US
★★★★★ 5
Works as it should
Works as it should
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Reviewed in the United States on March 24, 2026
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kelly napper
West Palm Beach, US
★★★★★ 4
Four Stars
Just what I needed
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Reviewed in the United States on October 14, 2016
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Paul Schneeman
Charlottesville, US
★★★★★ 5
Functioned as advertized.
Installed these in my Whalers 96 200 Offshore. No issues, used permatex gasket compound on aluminum engine parts after cleaning with fine brass wire wheel.
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Reviewed in the United States on November 20, 2024

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