


Nitrous Outlet GM EFI Dual Stage Single Nozzle System - Gas/E85 (5-55psi)(35-200HP)(No Bottle)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Outlet GM EFI Dual Stage Single Nozzle System - Gas/E85 (5-55psi)(35-200HP)(No Bottle)Flow Up to 400 HP In Two Stages 400+HP Solenoids All Hardware, Electrical, and Jetting Included E85 Compatible With Different Jetting Includes Jetting for 70 100 150 200 HP Flow up to 400 HPThis dual stage system comes out of the box with everything you need to spray up to 400 HP. Race Proven. Nitrous Outlet systems are favored by professional and amateur racers alike because of their quality components and extreme performance. All components in this
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4.6 ★★★★★
Based on 2477 reviews
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Product Reviews
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Looks good feels good
Size: 13 Wide, Color: Black
I've had them 2 weeks and love them. Took a little breaking in but they feel great now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
★★★★★ 4
Very narrow
Size: 10 Wide, Color: Cognac
Run narrow. For very narrow feet. Wide width fits like a regular width.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Comfortable Shoes Right Out of the Box
Size: 9, Color: Black
I bought these shoes for my husband. He has a very hard time finding quality, comfortable shoes. These shoes are just as comfortable as his New Balance. He uses them as a dress shoe and wears them at least once a week. There was no break in period necessary. They were comfortable right out of the box! The only thing we didn't like was the white sole color. Once I knew he was going to keep them, I used a black sharpie marker to color the soles black. Instant amazing, comfortable dress shoes. They were well worth the cost. If you or your SO needs a comfortable pair of shoes, we highly recommend them.
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Reviewed in the United States on September 2, 2025
★★★★★ 1
Paid for new, received used.
Size: 9.5 Wide, Color: Cognac, Size: 9.5 Wide, Color: Cognac
Arrived dirty as if someone whore it for more than a few days. Maybe I was mistaken, but I saw nothing about “previously used” on the Amazon page. Returned it.
I would suggest that the company use quality control when it comes to shipping. The shoes seem find otherwise. I ordered 9.5 and it was just a bit tight. If I reorder I will go for size 10.
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Reviewed in the United States on June 11, 2026