Speedhunters Wins 2014 Scion Tuner Challenge By Jason Siu Nov 06 2014 Share this Article Tweet Hard work from the Speedhunters team paid off as the Maximum Attack FR-S claimed top honors at this year’s Scion Tuner Challenge. Continue Reading... Filed under: Coupes Featured Articles Japanese Modified Import Scion SEMA Sports CarsTags: 2014 scion tuner challenge, 2014 scion tuner challenge winner, 2014 sema, 2014 sema show, fr-s, fr-s tuner challenge, gt channel, Scion, scion fr-s, scion fr-s tuner challenge, scion tuner challenge, scion tuner challenge winner, sema show, speedhunters, super street, tuner challenge