I just wan to ask around that Do anyone of the E7/8/9 owner wanna to let go their KNN drop in Air-Filter if not using it ?? Please contact me via PM....TQ
Is't common exhaust sound can be heard loudly (buzzing sound) in the car even closed the window during high rev? My ER34 using 3" straight pipe and blizt nur spec muffler. Please comment expertise out there....:hmmmm: