Nitrous Express Pumpless Water Injection 4500 Carburetor Plate

Nitrous Express Pumpless Water Injection 4500 Carburetor Plate

Marsoni

M251S

$454.67

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

Nitrous Express Pumpless Water Injection 4500 Carburetor PlateNX Pumpless Direct port water methanol systems inject the water methanol mixture directly into each intake runner providing excellent distribution to each cylinder. These systems include a pressurized reservoir and pressure regulator that eliminates the need for an electric pump. These systems include braided stainless AN hoses, billet distribution blocks, filtered nozzles and nickel plated fitting Certificate of Origin Warranty

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We offer a 30-day return/exchange service after receiving.
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Very good water flosser. I travel alot and this is a great size, I can keep it in my purse. Good pressure, convenient filling and a great value. I had one, it was a little smaller, but it stopped working after 6 month. It was $65 and the company never returned my request for a refund or exchange.... So I can just recommend this one.

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Reviewed in the United States on March 28, 2026

Verified Purchase

Cynthia H.

Dallas, US

★★★★★ 5

Compact and performs well

Color: Pink

After reading the reviews I purchased this item. I have been very satisfied with the performance of this item. *The charge lasts a couple of days, after two of us using it at least twice a day. *I like the option of the settings and the placement of them on the handheld. *it is compact yet very sturdy * I like the tools (water pics) included *no leaking, great water pressure, so far it has been very durable *bought it mainly for travel, but using it daily at home for ease of use, size, and performance

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Reviewed in the United States on March 20, 2026

Verified Purchase

T Dubyah

Alexandria, US

★★★★★ 4

Great for Travel, Easy to Use

Color: Green

This was exactly what I needed for travel. It came as described and made it easy to keep up with my oral hygiene while away from home. It’s compact enough to fit in a travel bag without taking up too much space, and I plan to keep this as a permanent staple for trips. Setup was simple, and the instructions were clear and easy to follow. It charged quickly, filled without any hassle, and the different water pressure settings felt just right, not too weak and not too intense. My only small critique is that the attachments don’t have any color-coding. Since my wife and I plan to share the device (with separate tips), it would’ve been helpful to easily tell them apart. We’re currently using a sticker to differentiate, but that may not hold up long-term. Overall, this is a solid and convenient option for travel.

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Reviewed in the United States on April 8, 2026

Verified Purchase

Shawn L.

Lexington, US

★★★★★ 5

Easy to use and very portable!

Color: Green

I've been impressed that despite the size, it's got plenty of power. It's small enough to take on trips, but it still does a pretty good job of cleaning between my teeth. I've been using the large one for years, but this has replaced them. There are a few different settings, which is handy if you have sensitive gums. I've found it pretty effective and easy to use. The water tank expands, which is a cool feature, and you can store the attachment in the top making even more compact. While it might not be as powerful as the bigger models, it's been a nice addition to my daily routine, especially when I'm traveling. It's convenient, simple, and works well. I recommend filling from the top hole and leaving the bottom hole open to help dry it out when finished. Overall it's been terrific.

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Reviewed in the United States on January 20, 2025

Verified Purchase

reginald wilks

Los Angeles, US

★★★★★ 5

compact flosser

Color: Green

works well for me when traveling does not leak not expensive and compact

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Reviewed in the United States on May 31, 2026