Q= What Civic M' have I got? A= https://civic5.com/forum/main-pages/civic-5-door-and-aerodeck-chassis-codes/ Q= My cars heater only works on certain speeds, or not at all? A= The heater resistor pack has blown. See here for how to replace it >>> Click here   Q= What is the wheel offset of the MB6 and other M's? A= http://www.civic5.com/wheel-info.php Q= Does a decat make any difference and where can I get one? A= Yes, a decat will make slight a difference in power. Ava