
Originally Posted by
tnomud
FWIW: My M3 is well over 98db with a full big-buck exhaust in working order. It's hard to tone down high compression. Its also hard to re-tune a very difficult ECU to a new exhasut. Last, but not least, I am not going to hack up a nice titanium or stainless exhaust, and put some hackjob mid-muffler where it wont fit, just to drive a certain track. Back in the good old days, we used to find the meter, and throw a 90 degree elbow on the tailpipe to get it away from the meter.