It improves air flow during intake.
Compatible models:
MULTISTRADA 1200 ABS 2010, 2011, 2012, 2013, 2014, 2015MULTISTRADA 1200 S GRANTURISMO 2013, 2014MULTISTRADA 1200 S SPORT 2010, 2011, 2012, 2013MULTISTRADA1200S TOURING D-AIR 2014