Hi: Would like to install a dual exhauset stock BMW exhaust system on my 2008 535i. Cannot locate anyone who manufactures such a sysem i.e, crossover, etc. Does nayone know if this has been done? And if so, where or who manufactures the correct parts? Thanks, Ed

 

you dont want to have an aftermarket exhaust that sounds a little bit better?

 

I would recommend that you check out the Billy Boat E60 535i Axle Back Exhaust system. The complex yet simple design gives you the increased sound and performance you are looking for with its straight through design on moderate to hard acceleration and then the unique purge chambers cancel out the unwanted interior noise during low rpm cruising speeds. Here are a few installed pics and a video for you to check out!!

 

That does look nice.