Perrin Performance Oil Cooler Kit for 04-21 Subaru STI / 02-14 WRX

Perrin Performance Oil Cooler Kit for 04-21 Subaru STI / 02-14 WRX Upgrade engine protection and track-ready cooling with the Perrin Performance Oil Cooler Kit, engineered for 2004–2021 Subaru STI and 2002–2014 WRX models. This complete kit reduces oil temperatures under heavy load, improves oil life and maintains consistent performance during spirited driving or track use. Direct-fit design — vehicle-specific fittings and hoses for straightforward installation with no modification required. High-efficiency cooler core — multi-row aluminum core maximizes heat dissipation while minimizing pressure drop. Durable components — premium braided hoses, AN-style fittings, and corrosion-resistant finish for long-term reliability. Complete kit — includes cooler, mounting hardware, fittings and detailed instructions so you have everything needed to install. Performance benefits — lower oil temps, reduced thermal degradation, more consistent oil pressure and improved engine longevity. This Perrin oil cooler is ideal for daily-driven STIs/WRXs that see canyon runs, autocross, or track days. Backed by Perrin’s commitment to fitment and performance, it’s a practical upgrade for enthusiasts who demand reliable oil cooling without sacrificing OEM-like integration. Key specs: vehicle-specific fitment (04–21 STI, 02–14 WRX), aluminum core, braided hoses, complete hardware kit.