Twin Air Air Filter - 157033FR Aprilia 450 / 550 2005-2011 Brand_Classic Accessories 21 cm / 11-1/2" Width

21 cm / 11-1/2" Width 4" / 10

Product Name Pinion Gear Material Steel Number of Teeth 10 Teeth Type Starter Units Each Riding Style Street

5 mm wire - 10 pcs Barrel Nipple 3/8"

Aluminum end caps

Includes oversized floating stainless-steel rotor and billet brake caliper adapter and necessary hardware

Twin Air Air Filter - 157033FR Aprilia 450 / 550 2005-2011 Brand_Classic Accessories 21 cm / 11-1/2" WidthFeatures Dual 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 Specs Features Washable Filter Media Material Foam