Glad you're enjoying it. The Evo is about as mellow as it gets for a full exhaust. Very bassy (not drone) that is more obvious in enclosed spaces like a garage. Personally, I have the most fun goosing it going through garages and tunnels, otherwise you don't get to hear all the goods.
08 E90 | Jet Black / Black | 6MT
Mods: RAC RG63 w/ Pirelli Corsa 255F/285R | Akrapovic Evo Exhaust | OEM Blacklines
Winter Setup: OEM 18s w/ Nokian Hakkapeliita R 245/40-18