Well I got a Magnaflow XL universal muffler and had a pipe custom made for a catback system. I feel quite a bit of extra power, it's most notable when merging onto the highway and flooring it. The car is now very loud, although not like a rice rocket. It sounds nice and deep in the low rpms, but once it climbs to 4000rpm the sound gets a bit raspy. It has a nice low tone grumble when idling and cruising around at city speeds.

Let me know what you guys think! I'm looking to lower the car next

Right click save-as (turn up your volume too!): http://razorwire.nrgservers.net/MOV01169.MPG