These horns are much louder than the weak stock ones, and are deeper in sound than the "Supertones" that are very popular with the Subie crowd.
For me however, I was not a fan of the yellow grill, so I plastidipped them black.
Very easy install, no need to install the included relay. I installed them in the stock locations with a simple wire run to the mounting bolt to serve as a ground. I broke the factory harness and used the existing spade connector, and used another spade terminal for the ground.