Anodized Oval shaped forged billet aluminum construction; low profile for plenty leg room. The clear polycarbonate window allows you to see straight into the throttle body of the running engine. The pre-oiled black cotton air filter element; which is washable; offers excellent filtration and high air flow. The backing plate features a radiused air inlet for a smooth air flow pathway; the Ness hidden breather backing plate technology provides the cleanest look possible. Kit is complete and includes all gaskets and hardware required for installation.