Factory filters work well but they aren't reusable, oiled filters cause CEL faults and clog mass air flow sensors which also cause performance problems. BEHOLD the only reusable, dry media filter for McLaren vehicles on the market, made in USA!
Let your engine breathe a little better while still filtering down to 4-5 micron per ISO5001 filtration standards. Constructed with a robust exoskeleton that will not collapse under pressure.
Cleaning is easy, just blow them out from the inside with 35-45 PSI with a blow gun from an air compressor. For a deep clean, use a biodegradable cleaner such as Simple Green or other mild shop degreaser and allow 24 hours to dry before reinstalling.