


X-Series Universal EFI Single Nozzle System - Gas/E85 (5-55psi)(35-200HP)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
X-Series Universal EFI Single Nozzle System - Gas/E85 (5-55psi)(35-200HP)Capable Of Flowing 200HP All Hardware And Wiring Included Includes Jetting For 50 100 150 200HP 10lb Nitrous Bottle With High Flow Valve X Series X Series systems are designed for racers on a budget. Made from the same high quality parts and materials as other Nitrous Outlet systems, X series systems feature a 1 16th nozzle and smaller solenoids than traditional Nitrous Outlet systems. X Series systems can flow 200HP out of the box. Single Nozzle This
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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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4.6 ★★★★★
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Product Reviews
★★★★★ 1
Something “new” is not always an improvement
My dog has absolutely no interest in this. Looks like I fell victim to good marketing. Save your money and buy something your dog has enjoyed in the past. Something new is not always better.
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Reviewed in the United States on December 3, 2025
★★★★★ 2
Disappointed
It arrived on time and as advertised. I actually ordered 2 of the Playology toys and my boy did not like either. Total waste of $40 for the 2 toys. The toys are did not smell(to me at least) like the scent they advertised and my boy is sooooo food motivated and such a chewer that I was sure he would love these. Hasn’t touched them since the day I gave them to him. Very disappointed.
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Reviewed in the United States on July 1, 2025
★★★★★ 2
Not Rottweiler proof
Lasted about an hour.
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Excellent dog chew
Size: Small (Pack of 1)
Our dog loves this and uses it everyday. Still going strong 3 months later.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
My 2 German shepherds love these good quality last a good bit
Size: Large (Pack of 1)
I buy these for my 2 German shepherds. My male is a heavy chewer and he will spend time with this everyday until he starts to wear it down or makes it into a makeshift shank and I replace it
Last about 3-4 months for aggressive chewers. Highly recommend (keeps them from chewing my stuff)
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Reviewed in the United States on May 1, 2026