Hi guys, I am stumped, I own VW transporter T6 SWB van, upgrading at the moment popping in HD600/4, HD750/1,JL W7AE, JL C5 625 3 way in the front, JL C3 in back, stock head unit, fix 86, stinger power cap 5F. I previously had JL 300/4 AB, Pioneer 600w, C5 525 two way in the front , W7AE, fix 86...