A ak Well-known member Nov 9, 2013 #21 I removed the horn on the upper airbox on two pros and can't tell any difference than stock if you install a slp intake your drawing more air before the horns correct? So the horns would not be of much use right ?
I removed the horn on the upper airbox on two pros and can't tell any difference than stock if you install a slp intake your drawing more air before the horns correct? So the horns would not be of much use right ?
