Possibly. I haven't done any research personally on that. I have owned a 781 maniac motor and it gained quite a bit with a PFP. I be interested to see that same motor run or a smaller motor run with the PFP setup wet.
Again the smallest motor I have owned is a 781 and I've never had a b pipe but I've rode many skis with them. I rode my 781 before I put the PFP and dropped it in my ski and it ran better than the b piped version. This is also before I ported my PFP manifold.
All I'm saying is the PFP has more potential and I really think properly setup it will out perform a b pipe.
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