Twin Air(TW) with lateral and central air supply. The conical filters of BMC for direct sucking can into nearly each vehicle in place of originals air box be built. These filters are not however intended for the engine have a road permission. If necessary can be along-ordered connecting tubes, grommets, elbows and retaining props from the accessory list of the CDA. The special filter net permits to manufacture it a filter up to 700PS without deformations in sucking in arises, withstands.