Using this ISR Performance exhaust is easy. Just install it on your 2003 - 2008 Nissan 350Z following the provided instructions. Before purchasing, make sure your car is a non - NISMO model or doesn't have an aftermarket Y - pipe. If you have an aftermarket y - pipe, contact us to check fitment. For maintenance, regularly clean the exhaust with a mild stainless - steel cleaner to keep its brushed finish looking great. Avoid using harsh chemicals that could damage the surface. If you notice any unusual noises or vibrations, have it inspected by a professional.