ok guys here goes. I was at work tonight and was talking to my boss. He owns a 2006 hummer h2. We got started talking about miles per gallon on his vehicle. He told me when he bought it he was getting around 13 mpg city and around 18 mpg highway. Well he has always really been into cars and such and he asked me how was my mileage. I own a 2004 f-150 4x4 lariat and told him i get about 10 mpg city and about 13 highway. He told me that i need to change to a k & n air filter and also replace the air intake with one from k & n. He said he has used these filters for years. They can be cleaned and sprayed with something and are just like new again. And they also help you get better mileage and more horsepower due to their design. He said he replaced the one on the hummer with the k & n filter and his mileage went to about 17 city and about 21 highway. I find this hard to believe but he swears by them and has been fooling with cars his whole life. does anyone have any experience with this and if so does it really make that much of a difference. I was looking at their website and they have some great testimonials about the effectiveness of these filters. Do any of ya'll have any experience with this if so please tell me about it whether it be positive or negative. Thanks. i gotta do something because my mpg is killing me. It costs $120.00 to fill up my truck now and i am taking a beating.
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