1. R

    Impeller dilemma

    So here's the deal: got a 155 mm stainless sleeved wear ring with a 159 mm impeller for my rxp-x. One option, get the smaller impeller to fit the wear ring, as it's already in, or fight to get the right wear ring, and use the 159 mm impeller. Also, should I stick with the 15/21 I bought, or opt...