Is it necessary to loosen spare tire on Toyota Tacoma to replace exhaust?

Yes, it is generally necessary to loosen or temporarily remove the spare tire on a Toyota Tacoma when replacing the exhaust. The spare tire is often positioned in a way that can obstruct access to the exhaust system, particularly the components near the rear of the vehicle. Ensuring clear access will make the replacement process easier and safer. Always refer to the vehicle's service manual for specific instructions related to your model.