is this any good and whats the best way of getting this to fit http://cgi.ebay.co.uk/Greddy-Type-RS-BOV-Blow-Off-Valve-Universal-11501662_W0QQitemZ290386968594QQcmdZViewItemQQptZUK_CarsParts_Vehicles_CarParts_SM?hash=item439c698012 thanks in...