Borla cat back or Greddy sp2 catback.?

I have mint condition 1993 Ford Probe GT 5sd 52,000 original miles. Anyways I thinking of putting a cat back exhaust on it there are only two I know that are good quvality and fut my car. The greddy sp2 and the borla cat back system. I want to know which one is by far the loudest, coolest and adds the most performance and gas milige The Greddy sp2 or Borla high flow cat-back? I want an exhaust that is loud throaty deep. I don't it to sound like a ricer.