have a d15b7..some ideas
-a6 or zc cam and regrind
-adjustable cam gear
-z6 or y8 or skunk2 intake manifold (b16 throttle body bolts on to this, is that true?)
-bbk throttle body 62mm or 70mm
-z6 intake and exhaust valves
-a6 valve springs
-y8 head gasket for a little bump up in compression...