What is the cost for an upgrade shaft for a Ping i15 golf club?

I am looking to order a Ping i15 golf club and wanted to get an upgraded shaft. What would be the cost to upgrade it to a Diamana Blue 63 x-flex or a Devotion 6 x-flex.What is the cost for an upgrade shaft for a Ping i15 golf club?Go to the local pro shop for help.What is the cost for an upgrade shaft for a Ping i15 golf club?Diamana Blue Board...outdated....but $275.00...Devotion 6, $170.00, plus about $40.00 install. Best shaft in the world, right now...Swing Science, HEX 360. Try the new Project X, graphite 65, 6.5...SMOKIN SHAFT!What is the cost for an upgrade shaft for a Ping i15 golf club?why not try easybuygolf.com? they customize the shaft with free of charge,my friends and i purchased from this site last month with 1 inch longer shaft,so nice!