Hi, I am thinking to install a K&N cold air intake in my 98 jeep wrangler to improve mpg. the air intake cost around $300. assume gas price is $3/g and my jeep average mpg is 15. if the air intake can improve 1 mpg, then the gas it save will pay it back after running 1,600 miles. My questions are: is the math correct? If yes, can cold air intake improve 1 mpg? Pls advise!
cold air intake improve jeep wrangler mpg?
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