Installation of the stubby antenna is very easy and can be done in seconds. Just simply requires a wrench to remove your factory antenna and a snug twist to install our 3.8" antenna. Waterproof-Car wash proof. The aftermarket antenna replacement support automatic car wash and manual car wash. Waterproof or sun proof it will not peel off and fade. Don't worry about damage. 3.8 inch antenna is made of high quality aluminum alloy material, corrosion resistant and durable. Antenna surface is clean without logo which dramatically improves the look of your car. Not only does the stubby antenna improve car's fashion. It also works great too. The antenna is functional and designed for radio signal. Please note that short antennas may affect radio reception but it is actually really uncommon. Aftermarket Antenna replacement for 2006-2022 Mazda Miata MX5, ND, NC, RF model.