Yesterday I finally picked up my 2010 550i. The car is awesome I love everything about it I just wish the exhaust was a little louder. I looked into the Eisenmann and the Rpi. Both sounded great but I thought the eisenmann sounded much better. However after doing a little research on the forums I have found that both systems require cutting the stock exhaust, which is not something i'm to thrilled about doing. My question is are their any systems out their that do not require cutting and are just a simple bolt on install with no cutting required?

All help is appreciated, sorry if this sounds dumb but im a newb, what do you expect. lol

 

The ONLY mod you can do without cutting is the valve mod. You can open up the butterfly valve on the exhaust for a little more sound. I can't find the link right now, but I am sure
someone will post it soon

Gene?

Oh and BTW, RPi is MUCH better than Eisenmann...

 

+1 for the RPI exhaust. yes the stock exhaust will have to be cut off but there would be no welding since its a bolt-on.