


Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/10lb Bottle
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Express GM EFI Dual Stage Nitrous Kit (50-150HP x 2) w/10lb BottleNitrous Express. GM EFI DUAL STAGE (5 Want more horsepower without the hassle and expense of going direct port? Then the NX dual stage nitrous systems are the way to go. Having two stages means you double your power options at the click of a switch. The dual ? Shark nozzles give adjustability from 50 to 300 wheel horsepower in 25hp increments. System comes complete with 10lb nitrous bottle stainless bottle bracket Lightning solenoids extra long
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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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Product Reviews
★★★★★ 4
Mostly a Really Good Mouse
Color: Silver, Style: 1-Pack
This mouse connected perfectly, feels good, and even works seamlessly with my cordless keyboard, which of course uses a different dongle. I have only one small issue, but it's one I thought worth mentioning. While the buttons work normally when moving the cursor around the screen, when it comes to actually making a selection with the primary button (right- or left-handed, doesn't matter), one must press the button VERY deliberately and somewhat slower for the "click" to be recognized. A typical "quick click" at the speed one would normally use, say, when typing or normal "mousing" often will not register with the computer. The result is that I have to slow down and click again. In several decades of using a computer mouse I've never experienced this phenomenon. I've grown used to it, however, and adjusted to the necessity to give the selection button a slower and harder "press" when making selections, and that's all it takes. And oddly, it only requires this extra deliberate action when pressing a selection button. Not the biggest issue one could have, but I thought it worth mentioning. Other than that, no problems, and really, the price is very good, so as they say, you pays your money and you makes your choice. ;-)
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Reviewed in the United States on March 23, 2025
★★★★★ 5
Great Value
Color: Silver, Style: 1-Pack
Works perfectly!
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Reviewed in the United States on April 23, 2026
★★★★★ 5
A good mouse
Color: Blue, Style: 1-Pack
This is a very comfortable note to use for long period of time. My hand does not get tired with it.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Works great.
Color: Silver, Style: 1-Pack
I have to edit my review: the mouse itself is still working fine, I happened to get a bad batch of Kirkland batteries! I changed out the batteries with a different brand and the mouse is working perfectly!! Didn't last very long, have only had it 3 1/2 months and it has stopped working.
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Reviewed in the United States on August 7, 2025
★★★★★ 5
Good muse easy to hold
Color: Blue, Style: 1-Pack
Very good design, easy to hold mouse movements is very smooth
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Reviewed in the United States on March 22, 2026