



ZEX Nitrous System ZEX Pro Street
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
ZEX Nitrous System ZEX Pro StreetThis 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 theZEX patented TPS switch; Timing of the
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Your ZEX Nitrous System ZEX Pro Street orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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 91 reviews
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Product Reviews
★★★★★ 5
Reasonable substitute for real copper wire
Color: 40FT Wire+40FT Cable Sleeve
Nice cable set. This will be very handy when I install my inverter in my camper van.
While I don't really like the idea of copper clad aluminum (it's cheaper than 100% copper) as long as it doesn't wiggle around much, it'll work just fine. The crimp connectors are great- not as heavy as I would like but they will do the job.
Overall, an OK thing to buy
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Reviewed in the United States on July 25, 2025
★★★★★ 4
Nice wiring kit with CCA wire.
Color: 40FT Wire+40FT Cable Sleeve, Color: 40FT Wire+40FT Cable Sleeve
This is a nice kit with a lot everything you need to wire up your project. This is CCA wire, so make sure you use it in the proper way. It will not take as much amperage over as long of distance as OFC wire will. The wire itself is good quality. It is true 0AWG and quite flexible making it easy to route through your project. The lugs crimp easily and hold well. The split look wire protector it nice quality and works well. The tool supplied to insert wires into the split loom is amazing. I have never used a toll like that and it works so slick.
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Reviewed in the United States on September 10, 2025
★★★★★ 2
Don’t use for automotive
Color: 40FT Wire+40FT Cable Sleeve
Don’t get me wrong it’s not a horrible product but these wires have an extreme amount of resistance to them, and once they get hot they drop voltage drastically. It was nice it came with a bunch of eyelets and made it easy to assemble but unfortunately once they were over 100F temp (live in Florida so cars get way hotter than that on the inside) the voltage would go from a normal 12.5-13.5v all the way down to 8v. Partially my fault I did not notice they were CCA wire instead description, would not recommend for automotive use.
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Reviewed in the United States on June 25, 2025
★★★★★ 5
Good price works great
Great product
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Amplifier
Works good
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Reviewed in the United States on April 29, 2026