While on some cars replacing the horn is pretty easy, doing it on a 2013 Scion FR-S will require much more time and work, as you will need to take out the front bumper to gain access to it.

The HornBlasters Conductor’s Special Model 232 Train Horn Kit is an easy-to-install, 12-volt system that comes with everything needed to blast your way into obnoxiousness. The setup includes a 2 ...