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Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/o Bottle
Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/o Bottle
Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/o Bottle
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Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/o Bottle

Marsoni M251S
Sale price$513.28
Pay 4 payments of $128.32 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Kit (50-300HP) w/o BottleAssassinate 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, particularly small and big block Fords.
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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
4.6 ★★★★★
Based on 598 reviews
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Product Reviews
♤♡♢♧
Fort Morgan, US
★★★★★ 5
Good shorts
Lightweight shorts, good fit/cut. The fabric is thin and seems like it is one layer. Not the greatest quality but good for the price. Material breathes well and is great for workouts. I do question durability but after a couple of washes, they’re still going strong.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 11, 2024
R
Richard L. Yauman
Charlottesville, US
★★★★★ 5
True size
Got these for my son. He likes them. They look good on him, and they are true to size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 2, 2024
A
Verified Purchase
Al
Belleville, US
★★★★★ 5
Great shirt for the price.
Material Type: Recycled Polyester, Color: Electric Blue, Size: Large
Bought this for my son. Very nice shirt for the price, it is true to size and the color is the same as the picture. Would definitely buy it again. The material is good quality. No issues whatsoever
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
S
Verified Purchase
SM
Port Orchard, US
★★★★★ 5
Great purchase
Material Type: Recycled Polyester, Color: Dark Navy, Size: X-Large
Purchased several shirts, all were great quality. You never know what you’ll get when you purchase sight unseen, these are worth it. Great value, style, and comfort. Color is exactly what you see online. True to size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 25, 2025
J
Verified Purchase
Jocelyn
Birmingham, US
★★★★★ 4
Great quality for price
Material Type: Recycled Polyester, Color: Red Stripe, Size: XX-Large
Very impressed with the shirt quality, especially for such a low price. Sizing is accurate.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026

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