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Fits both SST and manual transmission models
the higher compression ratios
The COBB Knob is the ultimate complement to your 6-speed manual shifter
CANbus Output Lambda values from
DBA 4000 Series XS
GrimmSpeed STi TMIC Y-Pipe Kit Relay Kit Fits both SST and manualThe GrimmSpeed TMIC top mount intercooler y pipe kit is designed to work with the factory STi intercooler or the GrimmSpeed TMIC. The Y pipe casting perfectly distributes and balances the airflow. Available with black or red couplers. Vehicle Fitment: 2004 2021 STi (with factory or GrimmSpeed TMIC only) 2002 2007 WRX (with STi or GrimmSpeed TMIC only) 2004 2008 Forester XT Baja (with STi or GrimmSpeed TMIC only) Special Fitment Notes: Supported
