The Sunroof Wind Deflector is computer designed and custom molded exactly to fit Your Elantra. The aerodynamic styling helps to reduce wind noise while the sun roof is open. It also reduces rear seat turbulence while helping to increase air flow in the vehicle. It is made of Attractive tinted acrylic and offers protection from the suns glare. No special tools are required to install just a Philips screw driver and it is an easy do-it-yourself item.