High Flow Filter Subaru BRZ, Toyota GR86 2022-20237Z1110 DESCRIPTION COBB High Flow Filters are designed to permit very high flow rates, minimize restriction, maximize filtration and provide a long life filter. It uses a proprietary single layer polyester construction with a precision molded rubber base. How do I service my COBB High Flow Filter? 1. Remove the air filter from the air box. 2. Remove any larger debris, such as leaves by hand. 3. Submerse the filter in warm soapy water and gently