Upgrading after installing Hacks

[JLR]

If you have installed lots of hacks and you want to upgrade to a later version does all the hacks go or are they still there?

[Admin]

JLR, please go to this (http://www.vbulletin.com/members/vbulletin.org.php) page and enter your username, to show you are licensed. (you will need to use your customer number and password to access that page)
Thank you.