Nitrous Outlet Dry 4 Cylinder Dual Stage Direct Port System - Two .122 Nitrous Solenoids/Distribution Blocks/SBT Dual Passage Discharge Nozzles (50-250HP)(15lb Bottle)

Nitrous Outlet Dry 4 Cylinder Dual Stage Direct Port System - Two .122 Nitrous Solenoids/Distribution Blocks/SBT Dual Passage Discharge Nozzles (50-250HP)(15lb Bottle)

Marsoni

M251S

$809.50

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

Nitrous Outlet Dry 4 Cylinder Dual Stage Direct Port System - Two .122 Nitrous Solenoids/Distribution Blocks/SBT Dual Passage Discharge Nozzles (50-250HP)(15lb Bottle)Flow Up To 800HP Four Cylinder Dry System Distribution Blocks Dual Stage All Hardware, Fittings and Accessories Included Includes Jetting For 50 100 150 200 250HP High Horsepower. Nitrous Outlet's 4 cylinder direct port systems are designed to be high flowing for high horsepower applications. This system comes with two dry nozzles per cylinder capable of flowing 350 HP each. High Quality Construction. Nitrous Outlet direct port systems come complete

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Exchange/Return Notes

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This filter looked about the same as the OEM filter. It installed in about a minute. The quality appeared to be fine. It was protected in a cardboard box. It fit my 2014 Subaru Outback perfectly. I just installed it an hour ago so I don’t have any long term observations about longevity or effectiveness. I can’t see any reason why it would not work as well as the original, it seemed identical.

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Reviewed in the United States on May 29, 2026

Verified Purchase

Nicholas K

Phoenix, US

★★★★★ 5

Great filter

Size: AF259

This fit my Mazda CX-5 perfectly. I'm happy with the seal and quality. Great price. I will certainly reorder for my next replacement.

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Reviewed in the United States on May 19, 2026

Verified Purchase

Amazon Customer

Belleville, US

★★★★★ 5

Great fit and quality

Size: AF113

Not a complicated product, but after going to 2 different auto parts stores and this not being in stock, Amazon to the rescue. Arrived the next day and the quality is definitely on par with “store brand” ones from retailers. Definitely cheaper as well.

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Reviewed in the United States on April 23, 2026

Verified Purchase

Lake Worth, US

★★★★★ 5

Fit my 2014 Accord perfectly

Size: AF476

Seems to be the same quality as OEM. Fit perfectly. Easy to install.

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Reviewed in the United States on April 24, 2026