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for 15-21 WRX
2004-2013 Subaru Forester XT
Simply install the JB4 as your first and only modification and enjoy an entirely new fast and smooth racing experience
3/8" thick laser-cut flanges for a warp-free seal
HNR32 Replaces: Pinion side OE part number 5444-0P000 & Tube side OE part number 5445-05U00
Platinum Racing Ford Barra Internal Ignitor Bypass (Signal Converter). o2 sensor for 15-21 WRXThis box allows factory ECU to send an ignition fire signal to more powerful Smart coils with internal fire signals by converting the IGBT signal from the internal ECU MOSFET to a square 5v wave. If you are running your Barra engine on a factory ECU (also includes the Haltech Plugin), it MUST have this box to operate the R35 coil kit. Failure to run it will result in burnt out or damaged ignition coils. IMPORTANT NOTE: As these coils have different
