I believe it. I once attempted mirror boattailing on my Civic and noticed a slight increase in fuel economy. I later removed them due to them falling apart: http://ecomodder.com/forum/showthrea...tml#post573116
__________________
2013 Toyota Prius C 2 (my car)
2015 Mazda 3 iTouring Hatchback w/ Tech Package (wife's car)
|