They are equipped with one Adjustment wheel for Electronic power control

For an OEM similar replacement

SPEEDBRAKES Aviation Brake Hose Stainless Steel/Silver Banjo

For one Casual look have reflex details (stealth viz ™) integrated during the perforations

MOOSE OFFROAD HARD-PARTS AIR FILTER PRE-OILED POL P3-15-16 aprilia-sr-50-r-e4-50-2020-esi1531640 They are equipped with oneWith the Precision Pre Oiled Air Filter, There is No Excess Oil to Rob Horsepower, and No Dry Spots Endanging Your Engine, Oiled With High Thank you and Bio Friendly Flame Resistant Moose Racing Super Seal Filter Oil, High technology Machine Pre Oils Filters Re sealable Filter Bag, Made in the USA