


Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/Composite 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/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
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Your Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/Composite Bottle orders ship within 1-2 business days.
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- Standard: 3-7 business days
- 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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★★★★★ 5
True to size!
Size: 7 Years, Color: Black
Worked perfectly for my 6 year old for my wedding
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Reviewed in the United States on October 29, 2025
★★★★★ 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.
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Reviewed in the United States on February 20, 2026
★★★★★ 5
Great product for the price
Size: 4T, Color: Black
Great product for the price
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Reviewed in the United States on May 4, 2022
★★★★★ 5
Good quality
Was used for a costume, it fit my little boy really well & held up great despite washing multiple times
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Reviewed in the United States on November 10, 2019
★★★★★ 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.
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Reviewed in the United States on January 29, 2026