


Nitrous Express All GM EFI Single Nozzle Nitrous Kit (35-150HP) w/o Bottle
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Express All GM EFI Single Nozzle Nitrous Kit (35-150HP) w/o BottleNitrous Express. ALL GM EFI SINGLE NO If you want the best this is it. The NX Stage 1 EFI nitrous system is the top of the line EFI power booster on the market. From the highest flowing solenoids to our patented Shark nozzle this system screams nothing but quality. NX has a system for every EFI car in the world. Available in horsepower levels from 35 50 75 for most 4 and 6 cylinder cars and up to 150 for 8 10 and 12 cylinder engines. This NX EFI Stage
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4.6 ★★★★★
Based on 1755 reviews
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Product Reviews
★★★★★ 5
Great quality of life improvement!
Color: Black
Got this on sale for $40.
This thing is crazy good for the price, especially if you get it on sale.
Battery life isn’t a huge concern anyway, but rechargeable USB-C is great. Because it’s wireless, the stick is on the thicker side. This makes it easy to clean, but also inadvisable for your thinner meats (obviously). It looks right at home stuck on my fridge by the oven and air fryer, and temps it gave me through the phone were pretty close.
I connected this to my 2.4Ghz network, which I can easily monitor from my phone connected on my 5Ghz network. I think it could do better with its time estimates, but I’m physically close enough to my food when it’s nearly done cooking anyway.
I tested with frozen steak straight into the air fryer. It was quite close to what I was looking for, compared to how I’d do it before without a thermometer. As someone with little to no time to cook every day, it really eases the mental burden for sure of knowing that the food’s not under- or over-done. For $40, totally worth it.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Great engineering for amazing price
Color: Black
This is the deal of deals. The signal goes through my oven door with zero problems. The sensor inserts neatly into the controller slot. Nice. But that's not all. This thing is Gold Lite, and has the transmission frequency that is 10X better than Bluetooth. The App is probably same as the 4X higher priced Gold Edition, which is worth the price of admission. whose only advantage is that the sensor is good for 752F instead of 932F (yes the descriptions says good for 932F, but Lin the photo it says 752F) . The 932F is not anywhere good enough for my radiant ceramic grill, which goes up above 1300F anyway. So I saved a bunch of money and have something that does everything I need and no more.
For the price, this is 5 star
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Reviewed in the United States on April 1, 2026
★★★★★ 5
No-brainer
Color: Black
Works as expected and looks premium for the price. App is very functional and easy to use.
Thought it was silly to have a paired thermometer but this convinced me otherwise as it’s very fun to use and it gives more inputs to how you’re cooking your stuff (eg it has multiple sensors covering different parts of the meat)
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Resolved
pan was dropped at waist high, the handle shattered like glass. reached out for a replacement handle.
was told i needed to purchase the ENTIRE basket.
*update, a replacement was sent and was in fact covered under warranty
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Reviewed in the United States on August 27, 2025
★★★★★ 1
Broke in less than a week.
We got this less than a week ago and the handle is already broken. No one dropped it or hit it with a hammer. It broke being washed in the sink.
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Reviewed in the United States on October 8, 2025