Don't know of anyone making the pre-cut door panel insulation..As you know the original plastic was just a vapor barrier and did little in the way of noise suppression...One option is to get the aluminum reflective inuslation available at Lowes or home depot and use that..It's a thin,bubble wrap type that reflects over 90% of radiant heat,cuts down on the road noise, and is thin enough not to affect your panel placement....It's cheap{20-25 bucks} and comes on a big roll...You'll get more than enough to do the side panels and package tray/trunk divider...
