Hey I’m new to the Audi seen. I got a 2006 a4 quaotro and it’s stock.I want a louder blow off nose then the stock one that I can barely hear. What do I need to get to do so? I’ve been told waste gate I’ve been told just a blow off valve ive been told diverter spacer. I can’t get a real answer as a diy as to what to really get and do… Please help!! Ty!
