Mishimoto 15 Subaru STI Thermostatic Oil Cooler Kit - Black YMM_1992_1999_Pontiac_Bonneville_IX_H_body Designed for seamless integration

Designed for seamless integration

making them a reliable upgrade for stock suspension systems

Seamlessly integrates with the vehicle’s existing body lines

The Mishimoto Silicone Coolant Hose Kit is a high-quality replacement set designed for enhanced durability and reliable performance within a vehicle's cooling system

Mishimoto 15 Subaru STI Thermostatic Oil Cooler Kit - Black YMM_1992_1999_Pontiac_Bonneville_IX_H_body Designed for seamless integrationThe Mishimoto Oil Cooler Kit is a high performance upgrade designed specifically for the 2015 2021 Subaru STI. Constructed with durable aluminum and featuring a core size optimized for enhanced cooling, this kit effectively maintains optimal oil temperatures during aggressive driving or track use. Its efficient design helps improve engine reliability and longevity by preventing overheating and reducing thermal stress on engine components. The cooler's