Believe it or not mate people bring water in big bottles and wash there car when they are there! I usually just use quick detailer but i am only 50 miles away!
Not sure how profitable it would be as I think I only paid 10 quid delivered for mine!
http://www.350z-uk.com/topic/69001-injen-short-ram-intake-heat-shield-or-similair/#entry1028890