November 17, 200817 yr So I've been told there are restrictors in the header pipe, airbox and in the mid-pipe. I've dealt with the header pipe, but since I got my Monty second hand, how do I determine if the other restrictors are still in there? Sad to say, I'm not even sure what the mid-pipe is. I'm guessing it is the convoluted aluminum structure between the header pipe and the silencer. Thought that was the expansion chamber??? Cheers.
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