This Injen exhaust system is perfect for car enthusiasts who want to enhance the performance and sound of their 2003 - 2009 Nissan 350Z. Whether you're cruising on the highway or hitting the track, it will take your driving experience to the next level. It features dual 60mm stainless steel tubing and a built - in resonated X - pipe. It's handcrafted in the USA, ensuring high - quality construction.