Nitrous Express Holley High Ram Plenum Nitrous Plate Kit w/o Bottle

Nitrous Express Holley High Ram Plenum Nitrous Plate Kit w/o Bottle

Marsoni

M251S

$812.24

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

Nitrous Express Holley High Ram Plenum Nitrous Plate Kit w/o BottleThese high tech nitrous plates bolt between the upper and lower intake manifold on Holley Hi Ram manifolds for a quick and clean install. Nitrous and fuel are injected into each cylinder from the side of the runner providing direct port like distribution without having a flow restricting nozzle or spray bar in the runner. Systems come standard as a single stage with jetting for 50 to 500WHP. The plate is made from billet aluminum with passages

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This is a great filter upgrade to your cabin filter. This is better than the Subi standard part. Fits my Subaru outback. NOTE: Subi marks their filter with an 'up' arrow; however, this filter is marked with a 'airflow' direction. Direction of air flow is toward the blower motor so it will point downward when you install it.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on April 25, 2026

Verified Purchase

Jerry

Whiting, US

★★★★★ 5

Much cheaper than letting dealership do the job

Size: 9.7" x 9.3" x 1.8"

Filter fits well in works well

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 8, 2026

Verified Purchase