According to our most current information, this article is now good to order. Follow the button to see if the product is available and if so how many items are deliverable. We show the spare 18300-GT3-621 as "MUFFLER COMP. EXH. It is however possible that you will come across this elsewhere under a different name. We advise that you only look at the product number. This spare part has been sold many times and enjoy great interest. By zooming in on the photo you can see in detail whether the part is the same as what you are seaking for.