This K&N racing air filter has just two layers of cotton to provide even lower air restriction than our replacement air filter for street vehicles. Unlike K&N replacement air filters, fuel management modifications will be necessary with this racing filter. K&N racing air filters are washable and reusable and come with a one year limited warranty. This product is for closed course competition use only.. This K&N racing air filter has just two layers of cotton to provide even lower air restriction than our replacement air filter for street vehicles.. K&N Race Specific Unique Triangular Replacement Air Filter for 11-14 Kawasaki ZX1000 Ninja ZX-10R. Designed for racing and track applications, not for street use. Associated products: 99-5000 Filter Care Service Kit Aerosol. Designed to increase horsepower and acceleration. Washable and reusable air filter. Race Specific Air Filter. Replacement Air Filter. Engine Air Filter. Low restriction. Air Filter

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