Burble question
I have 335xi 2010 e92. I just got vsrf downpipes installed but I don’t hear the burbles as loud while driving as I do stand still. I have stock exhaust setup and everything. I did a stage 2 mhd flash with upgraded Downpipes. What am I missing? My m550 was just as loud driving but it didn’t have downpipes just a FI aftermarket exhaust and stage 1 tune