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Does anyone know if the GYT-R insert for the WRF 450 will fit the YFZ???????? It works on all the WR bikes (250F,426F,450F) Said to really help out lots with the stock pipe......... supposedly about a 5.5 overall increase in HP..... That would be sweet if it would work with the YFZ.......... Not quite as loud as an aftermarket pipe but a little boost in the goodies....
Let Me Know
Joe
YFZ on the way!!!!!!!!!!!!!!
Let Me Know
Joe
YFZ on the way!!!!!!!!!!!!!!