Its all about the flow..
More info here : http://www.audi-sport.net/xf/thread...mance-turbochargers-rs4-s4-b5-a6-2-7t.234828/
More info here : http://www.audi-sport.net/xf/thread...mance-turbochargers-rs4-s4-b5-a6-2-7t.234828/
