I am think about getting a laser jammer for my blue 2006 veiled range rover. I would def get AL for it. I was wondering how many heads i would need if i wanted full frontal protection. I am lso wondering if most people get there AL's set up by a professional. If so who would do it for me and how much would it cost. Also i would rather not use a LS becuse i live in NYC and meter maids will ticket you for them. So how many heads would i need for the front (with LS and without LS).