


Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/o Bottle
Marsoni
M251S
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 BottleWant 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, and all necessary hardware to
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- Fast: 2-3 business days
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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]
- Please click here for more details>>> Return & Exchange Policy
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4.9 ★★★★★
Based on 1473 reviews
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Product Reviews
★★★★★ 5
Loved it
Color: Deep Gray, Size: 10, Color: Deep Gray, Size: 10
Pretty good fit on my son. I'd say it's true to size. He looked great for his guitar recital.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
★★★★★ 5
Nice outfit
Color: Black, Size: 12
Perfect for graduation ceremony
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
★★★★★ 5
Happy Customer
Color: Black, Size: 5, Color: Black, Size: 5
I really loved the way my son looked in this suit, pants were a bit baggy and big on the waist but I’m glad it was adjustable, the length was perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Worth it.
Color: Dark Brown, Size: 10
Adorable. Great quality. Fun little suit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
Handsome Son, Great Suit
Color: Brown, Size: 8, Color: Brown, Size: 8
We ordered this for my 9 yr old son who walked me down the aisle when I got married. It fit perfectly, was a great value, good quality, and looked great on him! The tweed pattern and color were perfect for the wedding.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
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