


Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/15lb 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/15lb 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. System comes complete with 15lb nitrous bottle stainless bottle bracket Lightning solenoids extra long
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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.
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4.3 ★★★★★
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Product Reviews
★★★★★ 5
Not to thick or thin well made
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
I bought pink so as not to lose when doing laundry with my daughter who steels all socks lol!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Perfect
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
They were perfect
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Very Comfortable!
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
Very comfortable. Don’t slip off back of heal. Love the colors.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
😊
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
These are really nice except I don’t like all the colors of them so I’m getting different ones same company just different colors. I don’t like the thick ones these are perfect.. 🤩
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Reviewed in the United States on February 24, 2026
★★★★★ 3
Pretty Colors to Encourage Me to Walk!
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
Hum. Extra large does not seem extra large. I have a slender but size 10-10.5 foot. Will keep but was hoping for a looser fit. Bought to match an Under Armour walking outfit.
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Reviewed in the United States on May 16, 2026