Has anyone used one of the aftermarket kits, HogTunes or Biketronics? I installed a biketronics system on a friends bike and I was not impressed with the way it mounted in the bike. It was made for a Sony radio, although we used a JBL model. Those little spacer blocks just don't look substantual to me. Has anyone had experience, mileage, on one of these kits? The HogTunes mounting system looks much more substantual. Thinking about getting one of these kits and upgrade radio. OBTW buddy's handcontrols didn't work with the JBL radio.