Skip to content

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

Marsoni M251S
Sale price$1123.22
Pay 4 payments of $280.81 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/Composite 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. System come complete with COMPOSITE nitrous bottle, stainless bottle bracket, Lightning solenoids, extra long stainless braided N2O line, and all
Easy Shipping

Quick Dispatch:

Your Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/Composite Bottle orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/Composite Bottle ships.

Need Help?
Questions about Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/Composite Bottle, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/Composite Bottle in your area.

Get Shipping Estimates

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
4.4 ★★★★★
Based on 2077 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
shelby landrum
Port Orchard, US
★★★★★ 5
True to size!
Size: 7 Years, Color: Black
Worked perfectly for my 6 year old for my wedding
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 29, 2025
R
Verified Purchase
Rikki Klemm
Omaha, US
★★★★★ 3
Failed Quality Check
The construction is nice and the color and size are good. I like that it has functional pockets. I’m giving three stars based on the fact that it arrived dirty. There are stains in two spots and will need to be spot treated before washing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026
A
Verified Purchase
Amazon Customer
Cuba, US
★★★★★ 5
Great product for the price
Size: 4T, Color: Black
Great product for the price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2022
A
Verified Purchase
Amazon Customer
Waukegan, US
★★★★★ 5
Good quality
Was used for a costume, it fit my little boy really well & held up great despite washing multiple times
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2019
A
Verified Purchase
Alicia Myers
Waukegan, US
★★★★★ 5
Kindergarten prom
Size: 4, Color: Burgundy, Size: 4, Color: Burgundy
Item was very nice, it came quickly and he wore it to his lil prom yesterday. Will reorder in the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 29, 2026

recommand products