Nitrous Express 4150 Dual Stage Billet Crossbar Nitrous Kit (50-300 & 100-500HP) w/15lb Bottle

Nitrous Express 4150 Dual Stage Billet Crossbar Nitrous Kit (50-300 & 100-500HP) w/15lb Bottle

Marsoni

M251S

$834.88

Get it in 3 business days with 1 day shipping. Friday, May 29

Nitrous Express 4150 Dual Stage Billet Crossbar Nitrous Kit (50-300 & 100-500HP) w/15lb BottleNitrous Express. 4150 DUAL STAGE BILL 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 system includes a 15lb nitrous bottle with the billet aluminum

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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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I recently installed these AUXITO LED lights on my truck and I’m very impressed with the performance. The brightness is excellent and they make a big difference when driving at night or on dark trails. Installation was straightforward and didn’t take much time. The lights feel well built and look great once installed. Overall, they are a great upgrade if you’re looking for brighter and more reliable lighting.

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Reviewed in the United States on May 3, 2026

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Aleksis G

San Leandro, US

★★★★★ 5

DO RECOMMEND

Size: H7, Size: H7

The quality is amazing! Love the very sleek and futuristic look it gives off! 👌🏼 do recommend for H7 bulbs!!!!

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Reviewed in the United States on May 18, 2026

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amanda giardina

Boise, US

★★★★★ 5

H7 bulbs for BMW

Size: H7

As always auxito kills it again.. the absolute insane quality on all of their products will always amaze me.. These bulbs are phenomenal. My wife couldn’t see anything at night and she absolutely loves these and I do as well. It’s a night an day difference.. I will forever stand by their products. I love them - Shlow_Stroker on IG

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Reviewed in the United States on May 20, 2026

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DALLA$ TEXA$

Birmingham, US

★★★★★ 5

Real deal

Size: 9005

Super bright bulbs these are the only bulbs i found that work beat for projector housings

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Reviewed in the United States on April 19, 2026

Verified Purchase