2004-2007 Subaru STI Fueling

Upgrading the fuel system for your Subaru has never been easier. At the heart of our upgrade kit is an AEM ethanol-compatible fuel pump. We round...

Description This is the factory spark plug as installed in the 2018 Subaru WRX STI Type RA and 2019 Subaru WRX STI. The main differences are a...

EMISSIONS This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing results...