Aftermarket modifications (Gen 1)
2010 Soul . . . . .
1st air horn , 9/1/2009 compact all-in-one style, very loud --- No more Roadrunner "Beep Beep!"
2nd air horn, 3/7/2012 (1st one went bad) another compact $30.00 all-in-one, Not as loud as 1st
3rd air horn, 10/16/2016 ( 2nd one just too weak ) All metal trumpet , heavy...