from what i understand they were a dealer option?..may be wrong..the rare ones are the stag 14-8 btw..had a set on my last z...ruff as hell..sold for 1k extra with sale of car
i dont think anyone makes a bolt on cat back like your looking for....but hks , greedy and blitz are the best sound i have found for l motors..and they all make 2.5 and 3{i ould go 2.5} uni's
cn you post some more pics..i get what your trying to do and i wanted to do the same..just need to see a few more pics..i lso think the rounded-ness{not real word i dont think} of the greedy is throwing me off..unlike an n1 style can...