ZEX Nit. Sys. ZEX Pro St.Diesel

Marsoni

M251S

$348.48

Get it in 3 business days with 1 day shipping. Friday, May 29

ZEX Nit. Sys. ZEX Pro St.DieselThis kit features a huge nitrous solenoid and large 4AN nozzle feed line. This high flow hardware lets you select jets that will give from 50 300 additional horsepower. To properly time and control the nitrous injection, a boost pressureswitch is also used in tandem with the electronic wide open throttle switch. 50 300 HP nitrous shot capability; Activated electronically only at wide open throttle using the ZEX? patented TPS switch; Timing of the

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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I bought them in black and I like them so much I will be buying the brown soon. They fit true to size and are comfortable and stylish. I like the clean simplicity. They're basically a dressy sneaker which is perfect for my job's 'dress code'. Yet they're stylish enough to be worn weekends or a night out. They seemed just a touch stiff out of the box but IMO that's completely normal and fine - after just a couple days of wearing them they are breaking in nicely. No complaints on that. They seem to be of very high quality and I'm very happy with them.

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Reviewed in the United States on February 8, 2026

Verified Purchase

Bamaphan

Omaha, US

★★★★★ 5

Good shoes!!!!!

Size: 10, Color: Tan Full Grain

They are comfortable, they fit, great style. I bought blue, brown and black shoes.

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Reviewed in the United States on August 18, 2025

Verified Purchase