HI NEED UR HELP HAVE A 2000 S430 WITH 2 12KIKERS AND WANT TO STEP UP TO 15S TRYING TO FIGURE OUT A WAY TOFLOW THE BASSOUT OF THE TRUNK FOR BETTER SOUND INSTED OF BEATING UP THE TRUNK LIKE IVE BEEN. TRIED TO TAKE OF THESTOCK SUBWOFER INTHE BACK OUT BUTRAN INTO SOME ISSUES WITH THE HEADRESTSO IF ANYONES DONE A SETUP LIKETHIS MAYBEE CUT PORT HOLES BEHIND THE SEAT CONSIDERING THE FIREWALL HELP ISWELCOMED