Enhance your Subaru’s fuel management with the Haltech Flex Fuel Composition Sensor, engineered to deliver precise ethanol-to-petrol ratio readings for flex fuel vehicles. This sensor optimizes engine performance and fuel economy by providing accurate ethanol content data, ensuring your Subaru runs efficiently under all conditions.

Designed for compatibility with 3/8" GM Spring Lock fittings, the Haltech sensor (SKU HT-011030) integrates seamlessly with your vehicle’s engine management system. Its reliable construction supports a wide range of flex fuel setups, making it an essential upgrade for Subaru WRX, WRX STI, BRZ/86, and other flex fuel models. Whether you’re tuning for forced induction or seeking consistent fuel monitoring, this sensor offers the precision and durability Subaru enthusiasts demand.

Ideal for drivers focused on performance and tuning accuracy, the Haltech Flex Fuel Composition Sensor is a smart investment for maintaining peak engine health and efficiency. Trust Subimods for quality Subaru performance parts—upgrade your fuel monitoring system today and experience improved tuning confidence.