K&N - XStream Universal Air Filter (RX-4950) Options:RX-4950 You will need both to

You will need both to install your Automotive Standard Studs

Made of air craft 7000 grade aluminum with anodized finish

Included with HERO12 and HERO11 Black

DOT / ECE approved

even in deeper screwdriving situations

K&N - XStream Universal Air Filter (RX-4950) Options:RX-4950 You will need both toK&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 need all the protection and airflow they can get. K&N delivers. All K&N universal air filters are constructed with ultra strong molded