The Subaru STI 53.2 mm Genome Turbo Boost Gauge is a high-quality boost gauge designed specifically for Subaru vehicles. Made by the trusted brand Genome, this gauge accurately measures the boost pressure in your car's engine, allowing you to monitor and optimize your vehicle's performance. With a compact size of 53.2 mm, this gauge is easy to install and provides real-time data for a more efficient driving experience. Upgrade your car's interior with this reliable and precise boost gauge.