DNA PERFORMANCE AIR FILTER – BMW R 18 2020-23. STOCK FILTERS AIR FLOW 101.60CFM DNA FILTERS AIR FLOW 124.30CFM DNA INCREASED AIR FLOW +22.35% DNA FILTERING EFFICIENCY 98-99% Installation of this DNA Air filter is very easy; simply follow the installation instructions included in the BMW workshop manual. This DNA High performance air filter is a high quality, next generation, multi-layer cotton gauze, oil impregnated air filter that NEVER needs replacing. Design & Manufacture The filter media is made of 4 layers of high quality surgical cotton gauze sandwiched between two layers of epoxy coated marine grade aluminum wire mesh pleated by state of the art electronically controlled machines to assure a very high quality of filtration media. The result of the special design and the hi-tech manufacturing process is a filtration media that has very high flow rates, low restriction, superior dust holding capability and smoothens out the air flow stream. Special Oil Oil that is used to impregnate the cotton is a very special grade developed by the DNA R&D department after intense testing and produced by one of the world’s best oil companies. This special oil is a very critical part of the filter and has the capability to produce a static charge to the cotton media and attract the entire dust particles that flow towards the filter, even the very fine ones. The Long Life DNA air filter will last the life of the vehicle. Taking Care of the Filter The DNA Air Filter will serve you for many years and needs very little care using the optional DNA Service kit. When the filter is dirty or approximately after every 3000 miles, simply follow the cleaning instructions that you can find in the service kit, allow the filter to dry, re-oil and you are ready to use your filter again, like new! STOCK FILTERS AIR FLOW 101.60CFM. DNA FILTERS AIR FLOW 124.30CFM. DNA INCREASED AIR FLOW +22.35%. Installation of this DNA Air filter is very easy; simply follow the installation instructions included in the BMW workshop manual. The filter media is made of 4 layers of high quality surgical cotton gauze sandwiched between two layers of epoxy coated marine grade aluminum wire mesh pleated by state of the art electronically controlled machines to assure a very high quality of filtration media. O il that is uséd to impregnate the cotton is a very special grade developed by the DNA R&D department after intense testing and produced by one of the world’s best oil companies. DNA air filter will last the life of the vehicle. Taking Care of the Filter. The DNA Air Filter will serve you for many years and needs very little care using the. No additional information at this time. You might also like. IXIL Hyperlow Dual Exit Silencer HONDA CBR125R 2011-16. IXIL L2X Hyperlow Full System – Honda MSX125 2021-23. IXIL Race Xtrem Carbon Full System Yamaha MT-09 / SP 2021-23. IXIL Black Full System Low mount Honda Monkey 125 2018-24. CUSTOMERS OUTSIDE OF THE UK: VAT will not be charged on your order. Motorcycle Performance Store are official UK Distributors of Termignoni, QD, Ixil, Ixrace and SC Project Exhausts, T800 UpMap Bluetooth tuning modules, Puig Motoplastics, and DNA Performance Air Filters.