I put a thin coat of herculiner in mine and it's ok. It doesn't damppen the sound enough for me, so i will be installing the matte and carpet over it. if you often have muddy boots or like hauling messy stuff, i think a nice thick coat of bedliner is the way to go.

'88 Raider. 2.6L dead...2.4L swap in progress, AT, 33's, 2 bouncy seat,AC, CC, 2.25 exh, 2" Tbar, 2" BL, rear DB, rear LSD,4.90's, SW hubs,gen2 uca's, KYB shocks, snorkel, elec fan, MSD.

'99 chev k3500 crewcab
'15 Subaru XV
'03 BMW i325