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well I really dont think its out of the box going to do 71 mine had a pipe and 18s on it as well a 2 teeth down on the rear sprocket and i got 71 with no wind. ive seen them on the dyno at my work in the mid 60s to upper 60s stock. We have an in house dyno at my shop.
best ive seen stock is upper 60s on our in house dyno at my shop and that is without wind resasantace, so 71 maybe the raday wasent tund properly, or our dyno sucks lol the dyno is 8 mos old.