I have a 5 metal manufactured by “Warrior Custom Golf” (internet purchase) with a R flex “graphite” shaft. Is the shaft on this club replaceable? I am having great results with the “Project X Catalyst” 80 5.5 on my Wilson D9 irons. What might be a suitable replacement shaft for the 5 wood? I am also using a <tiworksgolf.com> “Aura” shaft R flex on my current driver and fairway wood with good results.Thanks.