How do you seal a Shark Antenna? shark fin antenna has many advantages, but some models have already installed other car antennas, and users who want to install shark fin antennas are best advised not to install them. Because the rear-mounted car shark antenna may have a worse signal than the original one, because its signal collection capability will be greatly weakened, and the rear-mounted car shark antenna also cannot reduce air resistance. This is because when the original car was designed, the influence of air resistance was already considered, so it was considered as a whole in the design of body lines. Any accessories added later, like superfluous, can only be Raise air resistance without reducing air resistance. The shark-fin antenna has the advantage of being designed to fit perfectly into the body of the vehicle without any gaps. So don't worry about the roof leaking on rainy days, because the seamless design of the shark-fin antenna prevents the vehicle from leaking. The shark-fin antenna is designed with a sleek and modern look that not only reduces wind resistance, but also enhances the overall beauty of the car. It is very attractive to owners who attach great importance to the appearance of the vehicle and need to maintain the beauty of the vehicle. But it's worth noting that not all shark fin antennas are created equal. The functionality of some shark fin antennas may not be compatible with some car radios or navigation systems.