How do you replace a muffler on a 2002 Jeep Liberty?

To replace the muffler on a 2002 Jeep Liberty, start by safely lifting the vehicle and securing it on jack stands. Next, locate the muffler and cut the exhaust pipe before and after the muffler using a reciprocating saw or pipe cutter. Remove the old muffler, then install the new muffler by aligning it with the exhaust pipes and securing it with clamps or welding as needed. Finally, lower the vehicle and start the engine to check for leaks.