Damo and myself went to Tenagah this morning to see where are cars were rouhgly at power wise.
My chart is as follows: Stock MY99 Wrx


I'm sure damo will post his up here soon and there is also a link for a short video, nothing spesh.
http://www.vimeo.com/4370459

This could be a rough indication of what the performance diff would be between putting a tbe exhaust on the car.

Cheers