just did mine, but the drone at 2.5k rpms is annoying especially cruising at highway speeds in 6th gear at 2.4k to 2.7k rpms because of the harmonics. other than that it sounds pretty good
Hey mate, i bought it here www.ebay.co.uk/itm/BMW-330D-E90-E91-E92-E93-Rear-silencer-delete-pipe-with-twin-3-tail-pipe-A-/322588357849?hash=item4b1bc3b4d9 Now i got Eisenmann Sport rear muffler. Will upload it soon,