PrinceYog

So I got the b9 s5 Sportback, which was put on the awe touring exhaust from the b9 s5 coupe. There was about 2 cm gap difference between the pipes and I just spot welding them together. And the exhaust was doing well around 1500-2500 rpm and it is definitely acceptable But there is an unbearable drone around 2500-3000 rpm which is just the at gear 7 when cruising on the highway. So I just want to know is there any specific reason why it happens only at this range? Maybe the leaking or installation problems or because it is designed for coupe not for the Sportback?
Thanks

tjf

Mine does the same at 75mph / 3000 RPM, when under load. It's not unbearable, but a little annoying on a long trip. Wife definitely doesn't care for it.
Different Engine, same effect. Turing Exhaust. I emailed them about it, but never came back with a solution.

PrinceYog

tjf

Maybe resonated downpipes? $$ I do not have them, but it may quiet it down.

jayhova1

You can always put it back into D on the transmission while cruising on the highway. It should noticeably change the sound on the AWE since you should be in a lower RPM. Or are you already in D mode?

amysingh

where you able to solve this issue ?
I am facing the same issue and drone and vibration is way too much loud at 2000 rpm
in case you were able to solve please let me know ?