Check out this insane loud Audi RS6 Avant with full decatted exhaust system (Milltek Sport exhaust), revving, accelerating and doing a couple of amazing fly by's on track! Liked the video? Click the 'like' button, comment, and subscribe! Follow me: Subscribe: http://www.YouTube.com/GUMBAL FACEBOOK: http://www.fb.com/GUMBALTV INSTAGRAM: http://www.instagram.com/GUMBALTV TWITTER: http://Twitter.com/GUMBALTV http://www.gumbal.tv