Tein Street Advance Z Coilovers - Subaru WRX (GDA/DDA/GDF) 2002-2007 / STi 2004 300lph Larger diameter tubing allows the

Larger diameter tubing allows the C8 engine to really breathe and have Gutsy Throaty sports car sound across the RPM band

The Chase Version was able to hit 440WHP and 460WTQ on The GrimmSpeed Stage 3-equipped 2020 STI with the addition of only tuning and fuel mods

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Swirl polished heads for smoother airflow over the valve

Tein Street Advance Z Coilovers - Subaru WRX (GDA/DDA/GDF) 2002-2007 / STi 2004 300lph Larger diameter tubing allows theTEIN Street Advance Z coilovers are designed for those who want more performance from their coilover system. Designed to provide a stiffer yet comfortable ride and aggressive stance, the street advance coilovers have 16 way adjustable settings giving you a much more noticeable feel in damping force change. These coilovers provide plenty of shock travel even lower than standard vehicle ride height. These coilovers adjust via an ultra strong ZT coated