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Nitrous Express Proton Fly By Wire Nitrous Kit w/o Bottle

Marsoni M251S
Sale price$347.10
Pay 4 payments of $86.78 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Nitrous Express Proton Fly By Wire Nitrous Kit w/o BottleProton Series nitrous systems combine performance, durability and value in a compact and easy to mount module. Proton systems contain high quality, made in the USA, solenoids that are capable of producing 150 horsepower to the wheels. The black anodized aluminum housing not only looks great, it pulls heat away from the solenoids for extreme durability. This Proton fly by wire system includes jetting for 35HP, 50HP, 75HP, 100HP, 125HP and 150HP. This
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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]
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4.0 ★★★★★
Based on 1057 reviews
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Vincent Feller
Whiting, US
★★★★★ 4
Nice but not ideal sizing.
These look nice. They do not have a traditional tongue, replacing it with some sort of elastic lining. They do fit larger than expected. I purchased wide since normally need that and it creates a bump just below the laces. Also, after size 11 there are only whole size increases. I feel an 11.5 regular would have fit better. They are pretty comfortable with a cushiony insole and thick sole.
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Reviewed in the United States on April 28, 2026
M
Verified Purchase
Michael S
Dallas, US
★★★★★ 5
Slip ons worth slipping on…
Size: 9.5, Color: Black, Size: 9.5, Color: Black
Very stylish and comfortable. I love how light they are because I’m on my feet all day. The black leather is very deep and very rich. The elevated sole gives me a tad more height, too…which I like. And yes, they’re slip ons. Don’t let the laces fool you. For under $40, these shoes are a strong value to consider…
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Reviewed in the United States on May 19, 2026
B
Verified Purchase
Boss Babe
Massapequa, US
★★★★★ 5
I feel I’m walking on clouds
Size: 10, Color: Brown
I’m on my feet 6–8 hours a day working at the dealership, constantly walking the lot and helping customers—and I’ve gone through a lot of shoes trying to find something that actually holds up. These Bruno Marc MaxFlex Dress Sneakers honestly surprised me. They look sharp and professional enough for work, but feel more like a comfortable athletic shoe than a stiff dress shoe. From day one, there was no break-in period, no soreness, just all-day comfort. I feel I’m walking on clouds! If you’re in a job where you’re standing or moving around a lot but still need to look polished, these are hands down the most comfortable work shoes I’ve owned.
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Reviewed in the United States on April 26, 2026
B
Verified Purchase
Bryan Combs
West Palm Beach, US
★★★★★ 5
Dress shoes
Size: 9, Color: Light Brown/Coffee
Very comfortable and well made shoes.
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Reviewed in the United States on May 24, 2026
E
Verified Purchase
erick
Natrona Heights, US
★★★★★ 3
Runs big
Size: 10, Color: Black
Too big , looks okay. Try 1 size down
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Reviewed in the United States on May 13, 2026

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