The legality of a silencer for a Royal Enfield motorcycle can vary depending on the specific regulations and emission standards of the country or region where the motorcycle is registered. It's essential to comply with local laws and regulations regarding vehicle modifications and exhaust systems.
In many jurisdictions, motorcycles are required to meet specific noise and emission standards to ensure environmental and public safety. Therefore, it's generally recommended to use exhaust systems that are specifically designed and approved for your Royal Enfield model by the manufacturer or certified aftermarket manufacturers.
To determine which silencers are legal for your Royal Enfield, it's best to consult the owner's manual, contact the Royal Enfield dealership, or check with local transportation authorities or regulatory bodies responsible for vehicle regulations. They can provide accurate information about the approved silencers or any permissible modifications for your specific motorcycle model.
Remember that modifying the exhaust system of your motorcycle without proper authorization or using non-compliant aftermarket silencers may result in legal consequences, including fines or penalties. Therefore, it's crucial to adhere to the regulations and ensure the silencer you choose complies with the applicable laws in your region.