


Nitrous Express Shark SHO 400HP Jet Pack
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Express Shark SHO 400HP Jet PackNitrous Express. SHARK SHO 400HP JET NX Jets are manufactured on CNC equipment and are guaranteed to be within . 0005 of specified jet size. In recent testing using the same jet size NX jets out flowed the competition by 35%! That's right 35% more flow through the same orifice how you ask? The NX jet was designed to be more than just a hole in a piece of brass. its contoured inlet and multi stepped outlet allow turbulence free flow with no
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- Fast: 2-3 business days
- Express: 1-2 business days
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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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4.8 ★★★★★
Based on 1846 reviews
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Product Reviews
★★★★★ 4
Thick and Warm, but not too comfy
Material Type: Recycled Polyester, Color: Light Grey Heather, Size: Medium
These are great pullover 1/4 zip fleece sweaters. They are relatively thick and very warm, about twice as thick and stiff as the common Columbia fleece pullover. The fleece is very dense, almost like a jacket.
Pros:
- Quite thick and warm, almost too warm
- Good fitting cut (doesn't bulge in the wrong places)
- Good value for the price
- Lots of different color choices
Cons
- Quite thick - a bit stiff and not very stretchy (not great to sleep in, can be hard to put on or take off)
- It has a seam running down the middle of the back. It doesn't bother me, but it would be better if it had no seam there.
Overall recommended if you're looking for a thick/warm fleece sweater of decent quality, without spending much money.
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Reviewed in the United States on June 16, 2025
★★★★★ 5
Awesome.
Material Type: Recycled Polyester, Color: Light Grey Heather, Size: X-Large
Fleece jacket is nothing short of awesome. I picked up a few over the years and always been pleased with them. Worn to work, for casual wear, And now that i'm retired just around the house to keep warm. They wear well, Wash well, Hold their shape stitching and zippers. Watching their price I scored this win for twelve dollars and sixty cents. They lend themselves well to layering as well. A real value in this day and age. Very true to size very comfortable.
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Reviewed in the United States on February 5, 2026
★★★★★ 5
So Soft and Warm
Material Type: Recycled Polyester, Color: Black, Size: Small
Great quality fleece for the price. It’s soft, warm, and fits true to size without feeling bulky. The quarter-zip design makes it easy to layer, and it looks nice enough for everyday wear. I’d definitely buy this again.
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Reviewed in the United States on January 21, 2026
★★★★★ 5
Good Value!
Material Type: Recycled Polyester, Color: Blue Heather, Size: XX-Large
I bought one of these jackets a few years ago it is fairly thick and is great for outdoor wear. This new one is thinner material by quite a bit, but still well made. I like the zippered pockets. It is fuzzy and comfortable. Might even buy a third one in a different color!
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Reviewed in the United States on January 23, 2026
★★★★★ 3
Sizing too small
Material Type: Recycled Polyester, Color: Oatmeal Heather, Size: Medium
Warm and comfortable.
BUT, the sizing is off. I ordered a medium , but it fit like a small:definitely order one size larger than you usually wear.
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Reviewed in the United States on April 15, 2026