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Nitrous Express GM EFI Race Single Nozzle Nitrous Kit (100-250HP) w/15lb Bottle

Marsoni M251S
Sale price$562.98
Pay 4 payments of $140.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Nitrous Express GM EFI Race Single Nozzle Nitrous Kit (100-250HP) w/15lb BottleIf you want the best, this is it. The NX EFI Race 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. Includes jetting for 100, 150, 200 & 250HP. System comes complete with 15lb nitrous bottle, stainless bottle bracket, Lightning solenoids, extra long stainless braided N2O line, and all necessary hardware to complete the
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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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  • Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 1972 reviews
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Verified Purchase
Hugh62
Draper, US
★★★★★ 1
Poor quality control - maybe outlet store leftovers
Size: 11.5, Color: Burgundy Polished Full Grain
The two shoes were not the same size. They were both labeled 11 1/2 but one shoe was larger than the other and the fit was poor. I returned the first pair and ordered a replacement. This time the shoes were close to the same size but too loose and the left one has sewing issues. I've bought Johnston & Murphy for years because of the quality. These were to replace an existing pair of burgundy penny loafers that have finally worn out (even after several heal/sole replacements). That is the expected quality. I suspect Nashville Shoe Warehouse may be handling shoes that didn't measure up for the quality; more like an outlet mall than getting the J&M quality I've come to expect. Update: went to Johnston & Murphy site to buy "direct" from the manufacturer. There were several recent reviews where the shoes were long and didn't fit properly. Genesco - please step up the manufacture / crafting of these classic shoes to the level of quality they used to have.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2025
F
Verified Purchase
Fabric Crazy
Draper, US
★★★★★ 5
Really nice shoes
Size: 9, Color: Black Polished Full Grain
My husband enjoys wearing these shoes. Very classy looking. They fit well. They arrived quickly. He liked them so much he ordered another pair in a different color which have worked out just as well.
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Reviewed in the United States on February 3, 2026
T
Verified Purchase
tjw
Lowell, US
★★★★★ 3
Way too narrow
Size: 9.5 Wide, Color: Burgundy Polished Full Grain
I ordered a wide in this shoe, but it was still way too narrow. I had to return them. Otherwise, it looked like a nice quality shoe.
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Reviewed in the United States on February 12, 2026
B
Verified Purchase
BetterEveryDay
Whiting, US
★★★★★ 5
I usually wear 11.5's, but I buy 1/2 size smaller to accommodate for stretch. Leather relaxes.
Size: 11, Color: Burgundy Polished Full Grain
5 STARS: These shoes are awesome. I keep coming back for more. I have major foot problems, have tried all kinds of shoes, orthotics, and inserts... but believe it or not, these shoes work better than any of that stuff. I wear them daily. I buy lots of them, for home, for church, and I'm getting my first pair of J&M boots today, for winters in Indiana... Brrrr
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Reviewed in the United States on December 18, 2025
G
Verified Purchase
Gauthier
Waukegan, US
★★★★★ 5
Marc Joseph
Confortable I like
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026

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