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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
For those performing the top-feed conversion
Mandrel-bent throughout — full internal diameter maintained at every bend
Tested 340lph @ 43psi
Operatable in temperatures in excess of 500°F
The OEM headers have multiple restriction points which results in poor exhaust flow
ACT Xtreme Duty Performance Street Disc Clutch Kit - 2004-2021 Subaru STI / 2007-2009 Legacy GT spec.B Subaru-STI-2021 For those performing the top-feedACT's Performance street discs are the most popular disc purchased. They feature premium organic materials with higher copper content for better heat transfer and steel backed lining for greater burst strength and durability. These discs feature a reduced marcel for faster shift action to complement ACT pressure plates. Quiet operation with increased strength and reliability. Rated for 565 ft lbs torque. SB10 XTSS kit features an Xtreme pressure plate