Where did you have the exhaust installed on your 550i?
Originally Posted by P-Town550i
This exhaust makes the car sound like it should sound...fast!
Dinan Stage 3 is a must for all of you Stage 2 guys.
Want to reference it to Dinan to get the "good vibrations" Ok'd for mine!
It isn't broken yet but I can fix that!
2013 550i Titanium Silver Metallic Dinan S3 , BMW F800ST, ML350