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Nitrous Express 4150 Assasin Plate RNC Up to 750hp 10lb Bottle

Marsoni M251S
Sale price$1024.12
Pay 4 payments of $256.03 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Nitrous Express 4150 Assasin Plate RNC Up to 750hp 10lb BottleNitrous 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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4.2 ★★★★★
Based on 136 reviews
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Product Reviews
D
Verified Purchase
Darren Reeves
Louisville, US
★★★★★ 5
Perfect replacement for Cabin Filter
Works great, fits vehicle, easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 3, 2025
F
Verified Purchase
Falcon
Lake Worth, US
★★★★★ 5
Nice fit!
Fits a 2016 Hona Civic as promised...
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Reviewed in the United States on March 8, 2026
A
Verified Purchase
Amazon Customer
Boise, US
★★★★★ 5
Good
Good filter and low price
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Reviewed in the United States on May 18, 2026
T
Verified Purchase
Tyler
Birmingham, US
★★★★★ 5
Breathe Easy, My Civic’s Engine Just Got a Spa Day!
Let’s talk about the Premium Engine Air Filter that’s compatible with my Honda Civic—because every car deserves a little TLC, right? Installing this filter felt like giving my engine a refreshing breath of fresh air (pun totally intended). My old filter was so clogged it could’ve doubled as a dust bunny in a horror movie. But with this new filter, my Civic is running smoother than ever! It’s like my car took a deep inhale and said, “Ahhh, that’s the stuff!” Now I’m cruising down the road, and my engine sounds happier than a kid in a candy store. The installation process was easier than finding a parking spot at the mall (and we all know how impossible that can be). I popped it in, and just like that, my car was ready to tackle the open road—or at least the next drive-thru. If you care about your car and want to keep it running like a champ, this air filter is a no-brainer. It’s affordable, easy to install, and your engine will thank you for the upgrade. Trust me; your Civic deserves the best air it can get—because happy engines make for happy drivers!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 24, 2024
R
Verified Purchase
Richard
Belleville, US
★★★★★ 5
Perfect Fit
Good Quality
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Reviewed in the United States on September 26, 2025

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