A quick search for dyno charts and some chipped results came up: 00 S4 http://www.europeanspeed.com/shootout.htm 02 WRX http://www.turbomagazine.com/archives/features/0102_features02.jsp 97 M3 (blown) http://www.fancypictures.com/vishal/ Heh. --- 1991 90q20v