K&N Air Filter for Ducati Monster 821 2015-2020 Streetfighter V4 the E1 is already equipped

the E1 is already equipped with two integrated antennas to boost FM and Bluetooth reception

internal side zippered stash pocket

Patented hexagonal muffler

Ventilated and designed to incorporate a hydration pack

K&N Air Filter for Ducati Monster 821 2015-2020 Streetfighter V4 the E1 is already equippedK&N Air Filter for Ducati Monster 821 2015 2020 K&N Air Filters are designed to achieve a virtually unrestricted air flow while maintaining filtration levels critical to engine life. The secret to their success lies in the unique characteristics of the filter medium which was originally developed by K&N all those years ago in the dust, sweat and tears of desert motocross racing. The high flow cotton gauze air filter is washable, reusable and built to