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Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/o Bottle

Marsoni M251S
Sale price$645.55
Pay 4 payments of $161.39 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/o BottleNitrous Express. GM EFI DUAL STAGE (5 Want more horsepower without the hassle and expense of going direct port? Then the NX dual stage nitrous systems are the way to go. Having two stages means you double your power options at the click of a switch. The dual ? Shark nozzles give adjustability from 50 to 300 wheel horsepower in 25hp increments. Systems come complete with stainless bottle bracket Lightning solenoids extra long stainless braided N2O line
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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.
  • To process your return/exchange, please contact us at [email protected]
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4.2 ★★★★★
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Jim Russell
Cuba, US
★★★★★ 5
Starter
Why did you pick this product vs others?: Good replacement. 
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 20, 2025
W
Verified Purchase
william
Port Orchard, US
★★★★★ 5
Starter works great
Fits and works great 2005 Mercury mariner 3.0
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Reviewed in the United States on August 29, 2025
J
Verified Purchase
J G.
Houston, US
★★★★★ 5
Reliable part
The price of this item was a bit of a shock. A good one though. I gave it to my mechanic, he installed it with no problems. Runs just fine. Would buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
J
Verified Purchase
Joel sulbaran
Draper, US
★★★★★ 4
Entrega a tiempo
Exelente
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Reviewed in the United States on October 3, 2025
L
Verified Purchase
Lisa Berger
Houston, US
★★★★★ 5
Works and fits as described !
Works perfectly! On time ! Fits perfectly! First time I ordered this item they sent the wrong part completely but this time it’s perfect!
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Reviewed in the United States on March 5, 2025

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