the mazdaspeed's only have a different final drive (slower than stock acceleration wise) different body kit, and suspension/wheels.... no real speed parts
greddy has a turbo kit for it, some kid brought it out to the last drift event and did some drifting, didnt look too shabby, but no serious hp like modded rx7's have.
people have also swapped the rx8's motor for a turbo rx7 (sorry i dont know much about what theyre called, 13B maybe???)
anyways, if people want speed theyre going to have it
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2012 FIAT 500 ABARTH