


ZEX Nitrous System ZEX Race EFI
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
ZEX Nitrous System ZEX Race EFIZEX Blackout Nitrous Systems are the newest addition tothe ZEX family. With unprecedented looks, performanceand power potential, and like all ZEX nitrous systems, theBlackout kits incorporate the most technologicallyadvanced performance features available, including thepatented ZEX Active Fuel Control. This feature automaticallyadjusts the nitrous fuel enrichment so your enginenever runs too rich or too lean. Power settings vary for eachapplication
Quick Dispatch:
Your ZEX Nitrous System ZEX Race EFI orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your ZEX Nitrous System ZEX Race EFI ships.
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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]
- Please click here for more details>>> Return & Exchange Policy
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4.7 ★★★★★
Based on 1021 reviews
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Product Reviews
★★★★★ 5
Works
Decent quality, somewhat flimsy, not bad for the price. Fit perfectly, correct thickness.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 17, 2025
★★★★★ 5
great and the price is right
Fits perfectly and was very reasonable compared to the Oil change place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 25, 2025
★★★★★ 5
Good product
It fits like it is supposed to.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 19, 2025
★★★★★ 5
Easy to install.
Works as intended. Easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 13, 2025
★★★★★ 5
Does the job at half the price
No problem at all
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
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