K&N Custom Racing Assembly - Round Tapered - Red 1.375in Neck Flange - 2.25in Over Height

K&N Custom Racing Assembly - Round Tapered - Red 1.375in Neck Flange - 2.25in Over Height

Marsoni

M251S

$115.99

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

K&N Custom Racing Assembly - Round Tapered - Red 1.375in Neck Flange - 2.25in Over HeightSKU: 56 9320 UPC: 024844030009 K&N 56 9320 Custom Racing Assembly Round Tapered Red 1. 375in Neck Flange 2. 25in Over Height This K&N 56 9320 custom racing air filter assembly fits single or two barrel carburetors with 1. 375 inch neck flanges on classic cars trucks and racing setups. It delivers higher airflow to increase horsepower and acceleration while trapping dirt outside the engine. Chrome plated top and base plates add show quality style to

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Nice product. With adhesive applied, this an all in one product. Easily cut to random shapes and dimensions and the adhesive seems to hold well. Removing the paper that protects the adhesive to apply in tight areas, presents a new set of problems. Having applied the product inside the panels of an old Trooper, it is yet to be determine if sound and temperature transfer are reduced.

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Reviewed in the United States on February 14, 2026

Verified Purchase

Cecil stevens

West Palm Beach, US

★★★★★ 5

This is very easy to install works very well

Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt

Very well made installs very easily and insulates my truck well

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Reviewed in the United States on June 3, 2026