| The recommended piping diameter of around 2.5" is for stock turbos. Some have argued that a larger exhaust is recommended for larger turbo setups, this is of course a common-sense conclusion. You are of course looking for a practical recommendation. From a performance standpoint, the exhausts on this site meet what in my opinion are the proper criteria: [ http://www.specialtyz.com/catbacks.htm ] There are lots to choose from that will get the job done pretty well, you will most likely only notice the difference between aftermarket exhausts on the dyno. Those are just a few examples of good exhausts.
Recursively Yours, Kenny... PETZ Member #5
 SteamyZ. Never had did me wrong. - SL103 07/06/04 11:58:15
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