ZEX Nitrous System ZEX Diesel

Marsoni

M251S

$270.98

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

ZEX Nitrous System ZEX DieselPower is adjustable from 35 200 additional HP; Reduces turbo lag and greatly cools both inletair temps and exhaust temps for additional power and engine safety; Includes 10 lb. nitrous bottle, bottle brackets, nitrous solenoid, electronic throttle activation switch & all necessary plumbing and electrical connectors. By more thoroughly burning the increased volume of diesel fuel entering the engine, the ZEX Diesel Nitrous System boosts power, reduces

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Pros: Extremely Durable: Survived an aggressive chewer where tennis balls failed. Dual-Visibility: Features both internal flashing lights and a glow-in-the-dark "chargeable" surface. Perfect Size: Fits comfortably in the mouth of a 40lb medium-sized dog. Same size as a tennis ball. Cons: Battery Life: Unsure how long the internal flashing lights will last (though it has held up well so far).

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Reviewed in the United States on February 8, 2026

Verified Purchase

Andrea S.

Boise, US

★★★★★ 5

Great for night time play!

Size: One-Size-for-Most

This ball is great! It is a 2-for-one light up feature so we love the flashing lights and if she drops it in the snow after those lights stop, we can still find it because of the strong glow that gets its charge from the flashing LED lights. Our first one lasted a few years, we lost it on a trip so now back for our second one so we can keep the night time fetch going! She is a golden retriever for size reference. Any bigger of a breed and I would worry it might be too small for her mouth. It’s a bit smaller than a tennis ball. Just don’t make the same mistake I did and let them have it in the house at night, she walked up to my bedside while I was asleep one night and squeezed it to activate it. Those lights are so bright it was a rude awakening!

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Reviewed in the United States on November 11, 2025