Sidekick Air Cleaner Kit - Titanium Breather design is O-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary shooter tubes, Air cleaner cover is forged and CNC - machined into a angled shape for excellent leg room, Integrated polycarbonate top is coated for long-term durability, Performance air filter is made from black synthetic material wrapped in stainless steel mesh, Filter is washable and water-resistant