Yes! If you have not altered the air box then the jets will not need to be as big as if you had installed pod filters but you still need to jet for the pipes. You are running lean now if the pipes are gutted and you can eventually burn a valve. the bike will seem to run great up until you burn one.

I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!