Any one out thair mechanical minded, I have an R V that gets 7.9 mpg I would like to now if you take the catalitic convertor off would it help my gass milage. It is a 2004 Ford Gas burner and if the computer would have to be reset. Yes I now it is the law to have this on the exaust system. And would a K & N or it may be a K & b air filter help. The heck wit the leagality our Politions lie so much about opening up Drilling on the East,West Coast & Alaska who gives a Rats Behind.
mikeg