Is all the threadcrapping really necessary? Yeesh, the guy is new, asking for advice. Yeah, he doesn't have a CUCV yet, so what? Nobody else has ever had questions they wanted answered BEFORE they jumped in and bought something?
Yeah, he wants to modify it. Gasp. If it's not your name on the title, get over yourself and deal with it. If you want to restore a truck, by all means, buy one and do so. Want to "save" another half dozen? By all means, go for it, just plunk down the money and put your name on the titles and do whatever you want with them. Put up or shut up. Pretty simple.
Believe it or not, not all of us see these trucks as anything particularly special. They're just base-model K30s with a PITA of an electrical system and a couple upgrades and a funky paint job. What they are, though, is a decent bargain for a fair amount of capability in a one-ton truck, and lots of us wanted them for that. They have their limitations, though, one of which is ground clearance, which, quite frankly, sucks with the stock-size 32" tires.
It's clear that lots of people here don't have that much experience with Cherry Bombs or other glasspacks. They come in different flavors, the more mild of which offer a good tone without too much additional noise. CUCVs are loud, rattling beasts anyway, so yeah, it's kind of a moot point if a few extra decibels are added. If you want quiet, buy a Buick, or a brand new, shiny dumbed-down half-ton built for comfort over capability.