i did not want to open this subject ,, but feel it must be i posted ,,the ranges of torq and power on one of these pipes ..that mr good was kind enough to send ..thank you ..now with no hardness. i want to say that 2 stroke pipes that are carboned up or dented do not run as good and i worked about 4 hours cleanning and trying to pull some dents out unsussfully from this pipe so in all fairness and without taking from goods very kind jester of loaning the pipe it was not bad but fell a little short of the pc 2 pipe which was new and not dented i.. now have a new one to test