Originally Posted by bman7891

I am going to go against common popular belief because I bought an Injen SRI and installed it myself. Nothing else on the car changed, not even the tire pressure because I make sure its constant. With that stated, I gained almost 4 miles to the gallon. Highway miles I get 35mpg now... So I truely think that an SRI can give you better gas mileage as long as a lead foot isnt included in the install