Nitrous Outlet 4500 Billet Pressure Relief Plate

Nitrous Outlet 4500 Billet Pressure Relief Plate

Marsoni

M251S

$144.00

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

Nitrous Outlet 4500 Billet Pressure Relief Plate4500 Flange 6061 Billet Aluminum Plate Pressure Relief Captured O Ring Grove 1 Inch Spacer Why Our Plate?: Our Billet Pressure Relief Spacer plates are second to none in both quality and performance. Features: 6061 Billet aluminum plate, Spring loaded panels, Sealed with a captured grove o ring, Works as 1 inch spacer as well. The relief plates can help save your intake in the event of a cough or backfire! The spring loaded panel will unseat allowing

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We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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This is superior to the OEM filter the Ridgeline comes with and at a significantly lower price than Honda will charge you for the replacement. This arrived promptly, packaged securely, fit precisely and by the time I'm getting around to this review, I've already driven 6-7,000 miles and I recently checked it out- perfect! I usually change these out around 7-8,000 miles and this filter is doing exactly what it's supposed to do and frankly, I think it will easily go 15,000 miles before needing replacement. IMHO, this is far superior to the Honda OEM air filter. This is a great filter and you won't be disappointed.

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Reviewed in the United States on February 18, 2025

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Jen

Phoenix, US

★★★★★ 4

Good quality, but could fit more snug in filter compartment.

Color: CA12061

Appears to be good quality material. It fits the model of car I bought it for, 2016 Honda Pilot, however it does not fit as snug as the other filter did. The dimensions could be improved a little, but I don't believe there is a gap along the end to allow anything to get by.

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Reviewed in the United States on May 11, 2022

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Draper, US

★★★★★ 5

Durable air filter

Color: CA12061

Great reviews so I purchased this for my 21 Acura TLX. This was the first time I changed the filter on my car. Very durable and thick, so far so good. It was super easy to install, don’t see much of a change in fuel usage but that wasn’t a concern. Great value for money will buy again.

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Reviewed in the United States on November 14, 2025

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David

Los Angeles, US

★★★★★ 5

Fits perfectly

Color: CA12061

Fits my 2021 Acura TLX perfectly. Excellent quality!

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Reviewed in the United States on October 3, 2025

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