Exhaust Unless otherwise stated, Triumph accessory mufflers do not conform to on-road noise or emissions standards in countries where such standards apply. Use on-road may therefore violate the law. These products are designed for closed circuit competition use only. Triumph accessory mufflers will require a specific tune download, which is available from your authorized Triumph dealer. Specification may vary by market. Some accessories are prohibited by local law. As a motorcycle owner/rider, it is your responsibility to know of and comply with all local laws. If you have any doubt, contact your local authorities.