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TY4-HDR4 kit features ACT's most popular Heavy Duty pressure plate
Scion TC/XA/B 2004-10 (16MX-13-1200-4)
finned aluminum pan and extend the life of your transmission
This conversion kit designed to be used with factory or aftermarket shorty style headers and requires the use of an axle back exhaust for Mustang GT and both driver side exhaust hanger brackets (not included)
AEM Induction Cold Air Intake System (21-836WR) 1544 TY4-HDR4 kit features ACT's mostThe AEM 21 836WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicles restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno tested to fit specific Subaru WRX STI models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air