How much does it cost replace an exhaust system on a 2003 Infinity Qx4?

Replacing the exhaust system on a 2003 Infiniti QX4 typically costs between $500 and $1,500, depending on the parts used and labor costs in your area. OEM parts tend to be more expensive than aftermarket options. Additional costs may arise if there are other issues, such as rust or damage to related components. It's advisable to get multiple quotes from local mechanics for the most accurate estimate.