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im running 40-45 psi on my ecopia 422 plus tires. amazing city mpg and the car just coasts. but on the interstate, NO MPG DIFFERENCE from Blizzak WINTER TIRES!!! i know wind resistance matters more at higher speed, but geez. not even ONE LITTLE MPG Better! not freaking one! Road noise was even the same between the blizzaks and ecopias. now city driving, thats a different story when driving soggy winter sponge glue tires...
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