Stainless steel Yamaha FZ-09 stock exhaust system. Replaced less than 1,000 miles with an Akrapovic pipe. No dents, dings or discoloring as reflected in photos.
May fit other models and years...Yamaha changed the bike name to MT-09 in 2016.
This unit has the factory EPA noise emission control information stamped on the side. It includes the O2 sensor, mounting brackets, and hardware in picture.
If it's listed it's available.