Discover Subaru Catalytic Converter Prices & Subaru Catalytic Converter Exhaust Pipe. Replace Subaru Catalytic Converter Exhaust Leak. Maintaining your Subaru's catalytic converter is crucial for peak performance and emission control. Regularly inspect for signs of wear, such as reduced acceleration, increased fuel consumption, or a sulfur-like smell, which may indicate the need for replacement. To extend its lifespan, ensure proper engine maintenance and use high-quality fuel. When choosing a replacement, consider the two main types: two-way and three-way converters, each designed for specific emission requirements and engine types. Opt for converters made of durable materials to withstand high temperatures, and remember, a professional installation ensures optimal function and compliance with emission standards. Shop our selection for a compatible, efficient, and reliable catalytic converter to keep your Subaru running clean and smooth.