AndyGo Shark Fin Antenna Special Car Radio Aerials Shark Fin Auto Antenna Signal for Ford Focus ST 2008-2015 Black Material:ABS Varnish Fit for the original car with the antenna cars This Shark Fin Antenna is only for car decoration purpose. Easy Stick on Installation / No Drilling Required, just clean and dry your car, stick the fin on the surface. This is a replacement part for your antenna, it can enhance the signal and achieve the purpose of decoration