K&N Engineering KN Drop in Air Filters - E-9289

The K&N E-9289 Air Filter is designed to increase horsepower and protect your engine by reducing restriction and providing excellent filtration. The E-9289 custom air filter is manufactured to replace the air filter in the 57S-4000 performance air box and it comes with a K&N embossed lid cap. The filter media can be washed and reused repeatedly.

The E-9289 custom air filter is manufactured to replace the air filter in the 57S-4000 performance air box. The filter can be washed and reused repeatedly.

K&N Replacement Air Filter - Round Tapered - Universal 5.75in Base OD x 5.938in Top OD x 7.688in H

70MM FLG; 146MM B; 151MMT OD; 195MM H

Comes with a K&N embossed lid cap

Million Mile Limited Warranty

Replacement Air Filter

Replacement Air Filt

Engine Air Filter

Air Filter