TWIN AIR Air Filter - Prairie 151910 Corsair-X/Quantum-X/Signet-X Helmet Cheek Pads Ideal engine part to complete

Ideal engine part to complete Koso's big bore kit

Fitment: Aprilia RS 660 (2019-2022)

Coarse foam pre-filter will act as an additional layer of protection and extend service time between filter cleanings

Suitable for brake discs up to 275 mm diameterEasy to install

WARNING Qualified Manufacturer Declared Replacement Part on '17-'20 MT-10 SP

TWIN AIR Air Filter - Prairie 151910 Corsair-X/Quantum-X/Signet-X Helmet Cheek Pads Ideal engine part to completeDual bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven)Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance Flat foam sealing ring securely seats against the airbox, even in the worst riding conditions