


Nitrous Express All GM EFI Single Nozzle Nitrous Kit w/Composite Bottle
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Express All GM EFI Single Nozzle Nitrous Kit w/Composite BottleNitrous Express. ALL GM EFI SINGLE NO If you want the best this is it. The NX Stage 1 EFI nitrous system is the top of the line EFI power booster on the market. From the highest flowing solenoids to our patented Shark nozzle this system screams nothing but quality. NX has a system for every EFI car in the world. Available in horsepower levels from 35 50 75 for most 4 and 6 cylinder cars and up to 150 for 8 10 and 12 cylinder engines. This NX EFI Stage
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- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.0 ★★★★★
Based on 1516 reviews
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Product Reviews
★★★★★ 5
Great shoes
Great shoes, but definitely designed for narrow feet! if your child has wide feet,i recommend choosing a different style as these run very, very narrow.
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Reviewed in the United States on June 11, 2025
★★★★★ 3
Great colors!! Love the soles are not white. Good price
Size: 10.5 Big Kid, Color: Navy/Citron
Held up better than expected. So far only keens had held up to my son's play.
Update-- after 2 months of wear the sole began to peel off/separate at the front of toe of shoe where that " upwards tab" is located.
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Reviewed in the United States on September 13, 2025
★★★★★ 5
Saucony!
Size: 13 Little Kid, Color: Blue/Black
Saucony has saved me more times than I csn remember! The price point is always affordable and I’ve been buying this brand for our family …toddler through our adult sizes! These shoes usually last one year for an active child but that shows they wear them all the time. This style is adorable and our son was so proud to open the box and wear them. We’ve worn this style everywhere… fair 5ks, trail runs, bike rides, city shopping trips… and they always look great and are an easy Velcro shoe for a child.
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Reviewed in the United States on March 2, 2025
★★★★★ 5
Running
Size: 6 Big Kid, Color: Grey/Red/Yellow
My son loved these shoes. It worked really well for XC running.
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Reviewed in the United States on September 25, 2025
★★★★★ 3
Fit
Size: 7 Wide Big Kid, Color: Grey/Red/Yellow
Run extra wide. Easy to get on
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Reviewed in the United States on April 14, 2026