2.5 inch or 3 inch

Yeah, his stuff works but that level of exhaust is well beyond what I can afford to buy. I could use his ideas to help myself build my own.
can't help but wonder if it is worth it? Mark did tell me when we spoke that he is pricey. I had mentioned a different shop, and he told me that the other guys headers are an outstanding piece, but they will not be matched to the exhaust. at what point to you get to the point of diminishing returns?? you know, spending $100 instead of $10 for very little gain?