I just traded in my 93 SE for a 2000 GLE. I had a Cattman Y-pipe and Stillen intake on the old car. I was thinking of just getting another Y-pipe, b-pipe, and a hi flow cat. Can anyone comment on what increase in the noise level, a combination like that might give me? My plan is to leave the intake and rest of the exhaust alone, as I am trying to keep the noise level to a minimum. The old Cattman Y had to be dented to get it to fit. Do they fit this generation or is there a better model out there now?