Get the BMW performance exhaust for a finer acoustic quality.
Originally Posted by loso81
what exactly is a downpipe, and does it give your factory exhaust a more aggressive sound? My recent car that i had prior to my 09 335xi was a infiniti g35 coupe, the factory exhaust on my g35 coupe sounded "sexy" and had a more aggressive sound than my 335xi. Help!
Last edited by lqaddict; 01-13-2013 at 12:07 AM.