I have a similar gadget tied to my fuel line. It was on the truck when I bought it. Is it science or witchcraft? Is it responsible for my fuel consumption being 28MPG+
http://cgi.ebay.co.uk/ws/eBayISAPI.d...942831254&rd=1
http://cgi.ebay.co.uk/ws/eBayISAPI.d...942831254&rd=1
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