


Nitrous Outlet Firewall Pass Through - 4AN Male
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Outlet Firewall Pass Through - 4AN MaleMachined from Billet Aluminum Anodized Matte Black Laser Etched Nitrous Outlet 8an ORB Female Fitting Threads Four 1 4" 20 Threaded Mounting Holes 2. 5" Diameter, . 400" Flange Thickness & . 400" Boss Thickness Includes Pass Through, Gasket, & Hardware Optional 4AN, 6AN, & 8AN male connections Optional Quick Release Stem The Nitrous Outlet Firewall Pass Through provides the ultimate solution for neatly plumbing feed hoses through the firewall. The
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4.1 ★★★★★
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Product Reviews
★★★★★ 4
Works well!
Fun for dogs! Only silly thing is it moves around on the floor a little bit, but overall works good! My lab loves it
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Reviewed in the United States on July 10, 2025
★★★★★ 5
Great for busy pups and smart dogs!
This keeps my puppy blue heeler busy and happy. Easy to fill and wash. I put her puppy food in it and put it in her crate to play with. The kibble fits perfectly in each little hiding place. After a month of fun it has not broken or malfunctioned.
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Reviewed in the United States on May 31, 2025
★★★★★ 5
Great treat
Gave this to my friend’s dog, and they took a video when they put it down! The dog immediately found one of the treats and kept looking for the other treat and eventually found it this dog loved it!
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Reviewed in the United States on January 17, 2026
★★★★★ 3
Easy, fun puzzle
My dog really enjoys this puzzle. It is a pretty easy puzzle for her. The only issue is that the tiles on one side does not slide easily like the other side. The first one I received was so hard to move, that I returned it for a replacement. The second one is better but still has the same issue. Other than that, it is made well. The size of the puzzle works well for my 5 lb dog.
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Reviewed in the United States on May 30, 2025
★★★★★ 5
Well made for the money
We have a retriever mix and she loved it. It kept her busy for a bit
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Reviewed in the United States on December 29, 2025