Most aftermarket exhausts for the 3.8's sound like a fart.
Cars w/ the 3.8's with the dual outlet exhaust sound better. I don't think any of the F-Body V6's came with dual exhaust, if so it was probably 98+, does yours have it Scott?
Either way really nice car... especially for a first car. Low low mileage as well, my Grand Prix GT has 133k on it and still runs great. As I'm sure you've found out the V6's are very torquey. One more thing, I think those wheels are actually "polished aluminum"

Same way on my GP