DNA AIR FILTER APRILIA RS 660 20-23 / Tuono 660 21-23 / Tuono 660 Factory 22-23

We proudly announce the official release of the DNA High Performance Air Filter P-AP6S21-0R for the following APRILIA model:- RS 660 20-21* This filter features DNA®’s advanced FCd1 (Full Contour design).- FCd (Full Contour design) is the innovative design by DNA®, that allows the filtering material to follow precisely the contour of the air box and uses the complete air box surface as “active filtering area“ eliminating “dead spots” that cause turbulence, increasing air flow and filtering efficiency.* To install this new DNA Air filter follow the installation instructions included in the workshop manual.* The filtering efficiency1 is extremely high at 98-99% filtering efficiency (ISO 5011), with 4 layers of DNA® Cotton.* The flow of this new DNA filter is +36.70% more than the stock filter!- DNA air filter flow: 149.00 CFM(Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius-APRILIA stock filter’s flow: 109.00 CFM(Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius* This DNA® filter is designed as a High Flow Air filter for: ‘Road & Race use’.* This DNA® filter is designed to be ‘’spark safe’’ for racing use on highly tuned engines.