Someone on the 300m Club created what looks like a great Intake, plus he posted all the blueprints and parts list you need to roll your own!
enjoy
http://pub88.ezboard.com/f300menthusiastsclubfrm7.showMessage?topicID=10.topic
enjoy
http://pub88.ezboard.com/f300menthusiastsclubfrm7.showMessage?topicID=10.topic