you can save your self time using the search function
http://www.xbimmers.com/forums/showthread.php?t=302899
http://www.xbimmers.com/forums/showthread.php?t=289795
If you post a question on something that is being addressed in another thread you're not as likely to get any responses.
Welcome to the Forum.
Enjoy your car.
I just noticed you are in Norcal , Dinan's development facility is in Morgan Hill you might give them a call and ask
what they can do for you. They did a nice job on foofitr's exhaust.