http://www.rx7club.com/2nd-generation-specific-1986-1992-17/diy-knock-ears-980837/
I made one of these up for myself, i never tried it out yet but am sure it will work fairly good, has any one used the likes.
I made one of these up for myself, i never tried it out yet but am sure it will work fairly good, has any one used the likes.