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Nitrous Express 4150 Assassin Plate System Pro Power Alcohol 100-500HP (w/o Bottle)

Marsoni M251S
Sale price$595.04
Pay 4 payments of $148.76 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Nitrous Express 4150 Assassin Plate System Pro Power Alcohol 100-500HP (w/o Bottle)Nitrous Express. N2O Injector Plate Assassinate the competition with the Assassin plate system. The Assassin is the most technically advanced single stage plate ever designed. The CNC machined design integrates the nitrous and fuel discharge ports into the outer perimeter. The Assassin offers a unique perimeter spray pattern that assures perfect nitrous fuel distribution. Which in turn solves the problems commonly found on single plane manifolds
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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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4.5 ★★★★★
Based on 294 reviews
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Verified Purchase
Steel Guitarzan
Pawtucket, US
★★★★★ 5
Lexus 2021 ES300h fit
Style: CA12289
Fit 2021 Lexus ES300h perfectly. Seem to be decent quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
L
Verified Purchase
Leslie Anne Hall
Massapequa, US
★★★★★ 5
Fit was right and works good
Style: CA10755
It fit my car and seems to be working just fine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
D
Verified Purchase
Dennis V.
Whiting, US
★★★★★ 5
Will buy again
Style: CA10755
Good fit and good quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
A
Verified Purchase
Andrea ocampo
Chelsea, US
★★★★★ 5
Good Price
Style: CA12296
The price of this filter is perfect. I felt the difference immediately, as my old filter was in urgent need of replacement.
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Reviewed in the United States on April 12, 2026
J
Verified Purchase
John
New York, US
★★★★★ 5
5 Stars
Style: CA10755
Perfect fit, and well-made. Buy when on sale.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026

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