The product is an OEM Arctic Cat 1998 ZRT/Pantera 800 Exhaust Pipe Expansion Chamber designed for the PTO side of the snowmobile. It is specifically made by Arctic Cat, ensuring a perfect fit and quality for the 1998 ZRT/Pantera 800 model. This expansion chamber helps regulate the exhaust pressure and improve the overall performance of the snowmobile, making it a crucial component for any Arctic Cat ZRT/Pantera 800 owner looking to maintain or upgrade their sled. S2 Floor