Nice Estate find.Here we have a Vintage Gas/Nitro RC Boat Muffler? Lot #4.I know nothing about it.As seen wear marks dings bends.Make sure you know what you are buying as there is no returns.No parts category but parts.Was found burried in a box in a shed and may have musty smell.Not a expert.Pictures show best description.Will pack well and insure.Email any questions sold as-is as seen and stated no returns for any reason