The contact owns a 2017 Ram 1500. The contact stated that when the vehicle started, the contact became aware of an abnormal ticking sound. No warning light was illuminated. The contact inspected the vehicle and became aware of several fractured bolts on the exhaust manifold. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The vehicle was scheduled for a diagnostic test within several days. The manufacturer was not made aware of the failure. The failure mileage was approximately 164,000.