OK, i tried with the window down to hear the noises, but i couldnt hear anythings (but then i have Black Diamonds Disc instead of EBC), wonder if this is only happen on EBC discs? the only thing i hear with the window down is, Vroooooooommmm, Vroooooooooommmmm, Vrooooooommmm from the HKS exhuast, but nothing else, hehehe
cant wait to hear what it sound like with SC too.hehehe