the only thing i have issues with as far as VRS is they are unwilling to do custom shit.. basically if they dont have a jig for it.. they dont wanna do it.. mandrel is much more willing to work with you, if you want a custom muffler or anything they'll do it..
yes there are minor fitment issues that can be fixed very easily an cheaply.. my 3" does fit like shit right at the muffler but i've been to lazy to fix it.
some folks just like to bolt shit on and go, but i really dont mind going the extra mile to customize shit for my application..