Does this really work? I am familiar with CAI and know what a supercharger is and this looks way to simple for a supercharger..if it does work what are ups and the downs..also how much gain do CAI give on a 4runner..mines a 2000 v6 if that helps. Thanks Here it is (http://cgi.ebay.com/ebaymotors/Supercharger-w-Cold-Air-Intake-99-02-Toyota-4Runner-V6_W0QQitemZ220091565023QQihZ012QQcategoryZ33741QQ rdZ1QQssPageNameZWD1VQQcmdZViewItem#ebayphotohosti ng)

Cameron