i have the motordyne,i got it for the reason of the swapping of parts/adapters. i originally went with the straight pipe on it,and then later down the road got the resonator in place of it to clean up the sound a bit.
as far as power,i did not dyno it before and after the install. but seriously any pipe is a huge upgrade over stock.
why not try out the litespeed one and if its not worthy,then grab a new one?
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