Multiple things. * The size of the horns opening * The length of the horn * The angle of the horn opening * The mouthpiece type/size/opening/angle * The pressure applied when blowing the horn
If you're talking about tickets for the grand prix, you get them from opening horns of plenty.
You can install car air horns by opening the hood of the vehicle and choose the best place to position it, use self tapping screws to mount the horn, place the compressor to the tubing and test the horn.
They can have horns
narwhals have horns
Horns.
horns
yes they do have horns
Horns of a Dilemma
No snakes have horns.
They don't have horns
addaxs horns