I agree that crapmaros do not sound very good and LOVE a classic "mustang" sound, but I've gotten used to the BA sound of the vettes watching American lemans. Check out these bad boy vids....
Finally ~4:50 + into this one is one of the ALMS vettes (also check out the Saleen). If you haven't been to an ALMS race, I can highly recommend going. ALMS Mosport 2004 - Qualifying Part 2