Upgrade the oil cooling on your Subaru WRX STI with Mishimoto’s direct-fit performance oil cooler kit. Designed for street and track use, this kit lowers oil temperatures, maintains minimal pressure loss, and helps protect your engine during spirited driving.
Features:
- Direct-fit for Subaru WRX STI
- Large 19-row cooler mounts in the front bumper for maximum airflow
- Proven 20+°F (16+°C) reduction in oil temperatures
- Minimal pressure loss for consistent performance
- Retains stock liquid-to-liquid oil cooler for integrated system operation
- Includes preassembled stainless steel lines with -10AN fittings
- Thermal reflective wrap protects oil lines from nearby exhaust heat
- Complete kit with direct-fit mounting brackets for hassle-free installation















