Complete Manifold-Back Exhaust: Accurate vs TTi

where does the accurate system differ from stock specs? I thought they were original appearing right down to the dents in the mufflers?
The 75% original system on my 68 383 gts was much different than the system I purchased (in person). IMO it is muffler shop quality with chinesium hardware. It's not a bad system but over priced. Just one guy's opinion.