T-86 SpeedFactory's Catted UEL header is ready to get rid of that notorious torque dip that plagues the Scion FR-S and Subaru BRZ. Made in the USA from 304 Stainless steel and tig welded at every corner then a powder coated finish to finish it off. The exhaust runners are 1.75" in OD and flow into a 4 to 1 merge collector that exits into a 2.5" OD catalytic converter which mates to the factory over pipe or any aftermarket over pipe that is in the factory location.
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