Just need the right size compartment door/frame then cut out opening, reframe to have solid blocking to attach compartment door/frame to.
OR install cabinet door inside to access the storage space.
See mods this guy has done......
HERE
Is it time for your medication or mine?
2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31