HI all,

Did anyone of you drive a Mazda 3 Skyactiv-x (bp) before and after a Remus exhaust modification that Mazda sells?

Would you say it changes the fuel economy?

Also, I would like to know the same in regards to the sportier Mazda front bumper/side skirts/rear bumper/spoiler.

Thank you so much for any replies!

  • ChromatischismB
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    1 year ago

    The only way fuel economy can go from a modified exhaust is up, but your baseline expectation should be zero.