i know a bac goes on the pass side of the manifold. i need a s5 bac in order to do it . i heard the egr valve needs to be blocked off also. and the tb needs to be shaved a bit...... heres a good write up site... but he keeps every little piece of emission crap. well check it out.... ohh and mike says he knows where to get inj cleaned..

http://homepage.mac.com/carldavis/intake.html

jack