Manifold/header/muffler/tail Pipe problems of the 2016 Subaru Outback

The contact owns a 2016 Subaru Outback. The contact stated while the vehicle was occupied and parked at residence and attempting to start the vehicle, there was an abnormal sound coming from the underneath the vehicle. The contact stated while driving at various speeds there was exhaust fumes entering the cabin of the vehicle. The vehicle was taken to the dealer where it was diagnosed and determined that front exhaust manifold connected to the catalytic converter needed to be replaced. The contact stated that the technician inspected the vehicle and became aware that the exhaust pipe was rusted. The vehicle was not repaired. The manufacturer was notified of the failure but offered no assistance. The manufacturer informed the contact that there were no recalls associated with the VIN. The contact related the failure to a service program bulletin: wuj-95r (exhaust pipe front (epf) bellows cracking); however, the VIN was not included in the bulletin. The contact was referred to the NHTSA hotline for assistance. The failure mileage was 171,000.