This video features a white BMW M2 (F87) at the PP-Performance HQ in Abu Dhabi doing a sound comparison between stock exhaust and Frequency Intelligent Exhaust system. This exhaust system comes with a valvetronc remote control where you can switch on/off the valves in the exhaust.Liked the video? Click the 'like' button, comment, and subscribe!Follow me:Subscribe: http://www.YouTube.com/GUMBALFACEBOOK: http://www.fb.com/GUMBALTVINSTAGRAM: http://www.instagram.com/GUMBALTVTWITTER: http://Twitter.com/GUMBALTVhttp://www.gumbal.tv