HI,I CURRENTLY HAVE A 2004 ACCORD LX AUTO. IM VERY HAPPY WITH ITS HIGHWAY ECONOMY.HOWEVER DUE TO MY DAILY 100 MILE HIGHWAY COMMUTE I WAS CURIOUS IF ANYONE HAS TRIED INSTALLING ALL THE UNDERCOVERS,REAR DIFUSER,ETC FROM THE 07 HYBRID AND HAS THE IMPROVEMENT BEEN MEASURABLE.EVEN 1 OR 2 PROVEN MPG IMPROVEMENT WOULD BE RECOVERABLE THRU FUEL SAVINGS
