The product is a full Yoshimura Y Series exhaust system for 17-20 Yamaha MT-09 street motorcycles. It includes a resonator, screw, muffler, gasket, mounting hardware, hanger, bolts, clamp, tip, and pipe. The features of this exhaust system are easy to replace, making it convenient for riders to upgrade their motorcycle's emission system. This product is specifically designed for Yamaha MT-09 motorcycles, ensuring a perfect fit and optimal performance.