Quote Originally Posted by awj223 View Post
If doing only 2 front heads, I'd go as far in as possible. Ideally you want about 18-20" between the heads. Are you sure you only want to do 1 rear head? You won't get protection against the newer variable pulse rate (VPR) guns with only one head. VPR is not yet a problem in CA, but when they do start showing up, you'd need 2 rear heads.
You won't need rear jammers in CA. CHP and locals are going to be frontal shots.