Hey guys, Heres a clip of my boxster with PSE (Pedro Sport Exhuast) recorded this weekend.
http://videos.pcars.us/video/5016146f-9c79-4d83-9557-9ab40161fbfb.htm
I do have alittle cabin resonance between 2-3.5 rpms but only gears 1-3 and once im in 4th and 5th i cant hear much... I like it cause on the freeways, i dont hear it at all so i dont get a headache!