


Nitrous Express 4150 Billet Crossbar Pro-Power Nitrous Kit (100-500HP) w/o Bottle
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Express 4150 Billet Crossbar Pro-Power Nitrous Kit (100-500HP) w/o BottleNitrous Express. 4150 BILLET CROSSBAR The new NX Billet Crossbar nitrous plate systems have just raised the bar in nitrous plate technology. The CNC machined design eliminates round spray bars resulting in excellent atomization and cylinder distribution. With no spray bars to sag rotate or disrupt airflow this is truly the Next Generation in cross bar nitrous plate technology. This crossbar nitrous system includes more than the standard crossbar
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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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4.3 ★★★★★
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Product Reviews
★★★★★ 4
Inseam is way off.
Color: Burgundy, Size: 38W x 30L
They are nice, the waist is the right size, but the length is more for an orangutan. I’ll be lopping off 5 inches easy, not even close to a 30” inseam.
Inseam inseam inseam.
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Reviewed in the United States on January 18, 2026
★★★★★ 5
Fit good
Color: Coffee, Size: 38W x 30L
Yes
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Reviewed in the United States on May 25, 2025
★★★★★ 3
Too Much Back, Ain’t Enough Slack
Color: Brown, Size: 36W x 30L
Sadly the color doesn’t quite match the photo—it looks cheaper IRL. However, the form of the pants are cool, but they don’t fit me.
TLDR: These pants aren’t for guys with back. Good looking style though.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Good job
Color: White, Size: 36W x 30L
These pants are awesome
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Reviewed in the United States on August 7, 2025
★★★★★ 2
Color was off. More plum than burgundy
Color: Burgundy, Size: 36W x 32L
The color was more plum than burgundy. I returned them. Not a plum pants kind of guy. I have gotten other colors. I actually love the fit.
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Reviewed in the United States on April 14, 2026