I was originally going to hook my Spintech Pro streets up for my turbo's exhaust, which was the mufflers I used when it was all motor. However after I got it done I fired it up and drove it a bit open downpipe and I can honestly it sounds good. It's hard to believe I know because I thought it would be very muddy and truckish. Not so and I am a very anti truck/SLP crap sounding exhaust person. It sounds very mean at idle and has a very surpringsly clean tone driving. I am however going to put a 3 ft. section of straight pipe and a turndown on it just so it empties further back in the car (right at the back of the door approximately). So I can't speak for the way spintech would sound. The dynomax bullitt is the universally popular turbo muffler and seems to make people pretty happy. My buddy runs bassani with his turbo and it sounds good, but is pretty quiet.
