The Top Mount Intercooler Cast Aluminum Y-Pipe Kit is designed specifically for Subaru Impreza WRX/STI GD/GG models manufactured between 2002 and 2007. This kit is constructed from high-quality cast aluminum for optimal durability and performance. It features a Y-pipe design that maximizes airflow and reduces turbo lag, resulting in improved throttle response and increased horsepower. The intercooler kit includes all necessary hardware and instructions for easy installation. Upgrade your Subaru Impreza WRX/STI with this top mount intercooler cast aluminum Y-pipe kit to enhance cooling efficiency and achieve optimal engine performance.