Its tuned to make as much power and to be as clean as it can. Here's some bad passes at the strip, but you get the idea on how the smoke cleans up. If I could get it cleaner I would, but it's hard to get it all outhttp://www.youtube.com/watch?v=63CgAHxrj3w&list=UUybcu3DBONPrLYlQdKKWTpQ&...