Originally Posted by black sky
A better starting point would be.....
*Full exhaust upgrade. (Headers,y-pipe, catback) or just True duals.
*Ftp or slp lid
*3200-3600 stall (If it's an A4)
But to answer your question regarding heads/cam, I would purchase the best flowing heads you can afford. Have a new cam matched to those heads.
thanks a bunch for the advice really appreciate that an I forgot to mention it was Manuel