I have seen many notes about no gains with an intake. I tried one off ebay. No bid difference in town. Better at 70MPH. I was at 18.3 MPG and went to 20MPG at 70. I had 46k without the kit and have had the kit for a month. Per the stock dash, it is better. Mine is an Airaid but they all look alike. I think the open side behind the headlight must help stack pressure.