Yea they are tail happy alright.. best bet is to get some decent rear tires and get the rear tracking set up for grip ie. No camber and the wheels toed in a bit
Just get a new front section made all exhausts I've seen for these hang really low by the sump and there's no need for it really. I got my custom system made and it's right up high the sump will hit the road now before the exhaust will