Brian Crower Exhaust Valves WRX 2002-2014 / STI 2004-2021

Performance Upgrade: Replace your stock Subaru exhaust valves with high-performance Brian Crower valves for improved performance and durability. Enhanced Airflow: The design of Brian Crower valves promotes better airflow, which helps your WRX or STI engine produce more power. Premium Materials: Manufactured from premium stainless steel for strength and heat resistance, ensuring reliability even in high-boost or high-RPM situations. Weight Optimized: Dished head design reduces weight, improving valve control at high RPMs. Key Features: One-piece design with friction-welded Stellite tips Undercut stems for reduced weight and improved flow Swirl polished for maximum airflow efficiency Available in standard and oversized head options (check compatibility) Fitment: Subaru WRX 2002-2014 Subaru STI 2004-2021   Important Notes: Sold as a set of 8 valves Professional installation is recommended. Oversized valves might require additional headwork for proper fitment.