K&N X-Stream Universal Clamp On Filter Fits 2.438 in (62 mm) KNRX-4040-1 Product:4 in (102 mm) H x 4.75 in (121 mm) OD - KNRX-4040-1 500 rpm range

500 rpm range

When your expensive engine

748" Lobe separation angle 112°

GW10-56490-HSP

BOOSTED 6662 1

K&N X-Stream Universal Clamp On Filter Fits 2.438 in (62 mm) KNRX-4040-1 Product:4 in (102 mm) H x 4.75 in (121 mm) OD - KNRX-4040-1 500 rpm rangeK&N X Stream Universal Clamp On Filter Fits 2. 438 in (62 mm)4 in (102 mm) H x 4. 75 in (121 mm) OD KNRX 4040 1 KNRX 4040 1 RX 4040 1 K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers