The product is a FMF muffler exhaust system rear silencer designed for a 1998 CR80R motorcycle. It comes with a muffler included and is specifically designed for the rear placement on the vehicle. The manufacturer part number is 18330-GBF-840. This high-quality aftermarket part from FMF is known for its durability and performance, making it an excellent choice for motorcycle enthusiasts looking to upgrade their exhaust system.