Eibach ERS 70mm ID Linear Tender Spring 2021-subaru-wrx-sti-esi6543681 A larger throttle body is

A larger throttle body is key to producing additional power throughout the powerband on turbocharged engines with increased airflow demands

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Eibach ERS 70mm ID Linear Tender Spring 2021-subaru-wrx-sti-esi6543681 A larger throttle body isRenowned for our extensive catalog of over 1,500 precision engineered race springs. Eibach race springs offer unparalled customization and performance optimization across a wide spectrum of racing applications. From shocks to pull bars we offer a wide range of springs solutions to fine tune the handling dynamics of your race car. Warranty Installation Instructions Installation Instructions