No clue. I can't stand drone so if I went with another exhaust, I would get the BMW Performance Exhaust. You can buy them on ebay all day for $1099.
Originally Posted by loso81
in your opinion which is a an exhaust thats good but not too costly that gives a nice "growl". also sometimes when i rev my car, i hear a "rattle" sound at times, could that be something with the exhaust?
The rattle is a gate that is closed while the car is warming up and you are hearing it open/close. Very normal. As indicated above you can disable it in a couple of ways, if it bothers you.
2009 335i Coupe/DinanS3/Dinan CAI/Dinan High Capacity Oil Cooler/Dinan Intercooler/BMW PE/M-Aero Front/M3 Rear Spoiler
2013 Porsche Boxster S