DNA Air Filters - Air Filter for BMW K 1200 R/GT - K 1300 S/R/GT Options:Air Filter the US-40 can securely mount

the US-40 can securely mount across a pillion seat with the subframe loops included

with quick-release chuck

Highly ventilated perforated padding for optimized ventilation and airflow

Extra long zips at the exterior side of the trousers

Replacement Tear-Offs for Pista/Corsa Helmet Visor

DNA Air Filters - Air Filter for BMW K 1200 R/GT - K 1300 S/R/GT Options:Air Filter the US-40 can securely mountThis filter features DNA's Round Design. Installation of the filter is very easy, simply follow the information that can be found in the BMW workshop manual. The filtering efficiency is extremely high at 98 99% filtering efficiency, with 4 layers of DNA Cotton. The flow of this DNA filter set is 10. 68% more than the BMW stock paper filter. DNA air filter flow: 101. 60 CFM (Cubic feet per minute) @1,5"H2O corrected @ 25C. BMW stock paper filter: 91.