The information available about the Royal Enfield Hunter 350 is limited and speculative, as it might be an upcoming model or a concept bike. Therefore, I don't have specific details regarding its performance specifications, features, or release date.
To stay updated on the latest developments regarding the Royal Enfield Hunter 350, I recommend visiting the official Royal Enfield website, following their social media channels, or contacting authorized Royal Enfield dealerships for accurate and up-to-date information.