!3/18 or straight 15 impeller

uncleuno

X-h20KC
Location
OKC OK
I've got a straight 15 on my x2 now I have a 13/18 in my hands should I switch or maybe should I send the 13/18 off to impros to have re-pitched? My ski is running a ported 650 (again) jet sport exhaust (soon to be a B Pipe) 44mm mikuni etc.
 
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