regular

Hey guys I have come upon a bit of a predicament so here goes... I have a 2003 GMC Sierra Regular Cab Shortbox truck with the following setup: Alpine CDA-9883 Alpine SPR-17S Components Kicker DS 4x6s in the back (2) Alpine SWR-1023D Subs RF punch 400.4 running components PG XS2500 running subs...