T tasha1329 Well-known member Joined May 22, 2009 Messages 133 Jul 7, 2009 #1 Has anyone done a big bore kit? If so what were the gains and much does it affect both the low end and high end of the XB9? Thanks.
Has anyone done a big bore kit? If so what were the gains and much does it affect both the low end and high end of the XB9? Thanks.
