HI IM NEW TO THIS FORUM.I JUST INSTALLED BERK HFC LAST WEEK AND ALL OF A SUDDEN MY ENGINE SERVICE LIGHT CAME ON AFTER A WEEK OF DRIVING.I ALSO HAVE THE STILLEN EXHAUST ALSO.ANY INPUT WOULD BE APPRECIATED.ALSO IS THERE A PROCEDURE HOW TO RESET ENGINE LIGHT OR DO I NEED TO TAKE TO DEALER?
