PurAuto introduces the products of the world-renowned APEXi. Its most popular product is the Active Tail Silencer. Current tail silencers are a restriction for power under high load and the user sacrifices power for quieter sound. The ATS allows for quiet sound during low load, but under high load, the pressure activated valve opens wide up for straight through power, it also eliminates the need to constantly install or remove the tail silencer. The ATS (Active Tail Silencer) comes in 115mm and 90mm sizes for most exhaust system applications. No need to change exhaust systems! Any A'PEX muffler can become a variable sound system!

Founded in Japan in 1992, A’PEXi has grown from just a small tuning parts manufacturer to a multi-industry international powerhouse. 2018 marks the 20th year for A’PEXi USA and the 26th year for the A’PEXi Group of Companies. Growth has come from hard work, research, and the highest commitment to customer service and feedback. An international network of tuning shops and consumers provides a steady flow of incoming information that continuously fuels the engineers at A’PEXi.