The contact owns a 2021 Ford Explorer. The contact stated while driving at an undisclosed speed, the exhaust pipe detached and fell onto the ground underneath the vehicle. The vehicle was towed to the residence. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The contact researched online and discovered Customer Satisfaction Program: 21B35 (Certain 2020 Model Year Explorer Police Vehicles Equipped with a 3.0L EcoBoost Engine Right-Hand Catalytic Converter and Right-Hand and Left-Hand Exhaust Flexible Pipe(s) Inspection); however the contact was informed that the vehicle could not be repaired under the program. The manufacturer was made aware of the failure. The failure mileage was approximately 53,300.

- Point Of Rocks, MD, USA

The contact owns a 2021 Ford Explorer. The contact stated that while the vehicle was idling at a traffic light, the vehicle made an abnormally loud sound. The vehicle was taken to the dealer the following day. The dealer diagnosed that both exhaust flex pipes had failed and needed to be replaced. The dealer informed the contact that it was a known failure. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 60,000.

- Lyndhurst, NJ, USA

The contact owns a 2021 Ford Explorer. The contact stated while driving approximately 30 MPH, the contact heard an abnormal sound coming from under the floorboards. The contact slowed the vehicle to listen for the sound, when the contact depressed the accelerator pedal to move forward, he heard the abnormal sound and described it as the sound of a motorcycle exhaust. The contact stated that he drove forward for a few minutes more when the abnormal noise from under the vehicle was louder and he felt that some object was trapped underneath the vehicle and was hitting the underside causing a loud banging noise. The contact stopped the vehicle and looked underneath the vehicle and observed that the passenger-??s side exhaust pipe had detached from the catalytic converter. The contact then checked the driver's side and saw that a crack had opened approximately one inch from where the exhaust pipe was connected to the catalytic convert. The contact stated no warning light was illuminated. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that the damage appeared to have been made during an attempt to steal the catalytic converter and referred the contact to a muffler specialist. The vehicle was not repaired. The contact took the vehicle to a muffler repair shop where it was diagnosed that the exhaust pipes had rusted, and the passenger-??s side exhaust pipe had detached from the vehicle. The contact did not believe that the rust was the cause in the fracturing of the exhaust pipe from the catalytic converter. The contact researched online and related the failure to manufacturer Customer Satisfaction Program Number: 21E11 Emission Recall (Engine). The manufacturer was informed of the failure. The failure mileage was 58,691.

- Hampton, VA, USA