Airaid Rubber Top 1in ID - Push On 4in x - 771-481

AIRAID breather filters for valve covers are designed for the high demands of racing in mind. Made with premium filter media AIRAID breather filters offer high air flow, excellent filtration and can be washed and reused over and over again. Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway. See airaid.com for CARB status on each part for a specific vehicle.

Air filters are essential when it comes to your vehicles performance and protection. Shop from our list of air filters from brands like K&N, AEM, Injen, Spectre, Air Raid, aFe, and many more!

Engine breather filters are designed to lower the amount of pressure under your valve covers caused by excess vacuum.

We started with air filters, but our vision has grown broader. Pushing beyond the street, into new rugged frontiers, we are optimizing air intake across the entire spectrum of internal combustion. From powdery snow-slopes, sand dunes, mud bogs, drag strips and road trips; to finish lines everywhere, across every terrain, we power drivers and explorers to dream bigger, adventure further, and discover their full potential.