Rotax Aircraft engine  side mount muffler , Its for a Rotax 503 UL engine  and will bolt to engine as needed , It has 119 total hours on  it , nice shape ,     for liability reasons I do not include any springs with the exhaust system  ,It is coated with a high heat coating , never needs painting , What you see in the picture is exactly what you will receive if you are the lucky buyer   Thanks for looking