Subarus are a total different breed of engine I think it'd be hard to match it! I love Subaru's and my BMW is the only other brand of car i've owned. I'd rather have my 335i, sound how it does, my Subi has it's own sound which I love... But yea both boxers & straight 6's tickle my ear drums.
2008 BMW 335i M-Sport
Black Saph w/ Dakato Black | M-Sport | Sunroof | iDrive | 6SP Steptronic | Comfort Access | Lights Package | JDM Spec