[nsb29]

That really depends on what is underneath as far as welding and filler if There was no bodywork and the panel was straight And you got all sanding scratches out of it you really shouldn’t see any diy back. But if there was body filler used and you left some 80 grit scratches they’ll Probably show back through in time or you used a lot of high build to get it straight you could see some shrinkage in time with slicks sand there is zero shrinkage so no diy backs