purpose of removing the butterfly in the air box??

[jeffery_23]

wut is the function and any side effect if i do that??

[Mistrimeat]

http://www.digitaldistortion.com/faq.gif

[cbr600drm]

I have mine out and have not had any of the problems that the FAQ list mentions that are possible. It sounds good! You won't notice the small added performance, but you should like the sound.