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How much does it cost to replace entire exhaust system?

For most cars, replacing the entire exhaust system typically costs between about $600 and $3,000 when you include parts and labor; premium parts or specialty vehicles can push the price higher, sometimes beyond $4,000.


The total price depends on how much of the system is being replaced (cat-back vs full system), the quality and type of parts chosen (aftermarket vs OEM, stainless steel vs aluminized), labor rates in your area, and whether any catalytic converters or oxygen sensors are involved. This article explains the main cost drivers, provides typical price ranges, and notes what you should expect when shopping for a replacement.


What drives the cost of an exhaust replacement


The following overview highlights the factors that most influence price.



  • Scope of replacement: cat-back (from the catalytic converter back) versus a full system that includes the downpipe, catalytic converter, and headers or manifolds.

  • Parts quality and type: aftermarket stainless steel systems tend to cost more upfront but last longer; OEM parts are usually more expensive and may be required to maintain warranties or emissions compliance.

  • Vehicle make and model: some cars have expensive catalytic converters, specialty exhaust pieces, or multiple constricted sections that complicate installation.

  • Labor rates and location: urban or high-cost regions typically charge more per hour.

  • Additional components: hangers, clamps, gaskets, sensors (O2 sensors, upstream sensors), and resonators can add to both parts and labor costs.

  • Emissions requirements: in some regions, replacing a catalytic converter may require specific, region-appropriate components or documentation, affecting price.

  • Warranty and service considerations: factory-authorized work or warranties may influence the choice between OEM versus aftermarket parts and the associated labor charges.

  • Installation time: more complex systems or cars with tight engine bays can require longer labor times, affecting the total bill.


Prices vary widely, so it’s wise to obtain written quotes that break out parts and labor, and to ask about the specific components that will be used for your vehicle.


Estimated price ranges by replacement type


The following ranges give a practical sense of what you might pay for common configurations. They reflect typical shop rates and common part choices as of recent years, though actual prices will vary by vehicle and locale.



  • Cat-back replacement (muffler and piping from behind the catalytic converter back): typically $300–$1,600 installed, depending on parts quality and vehicle complexity. Premium stainless systems or labor in high-cost areas can push toward the higher end.

  • Full exhaust replacement including the catalytic converter: commonly $1,000–$3,000 installed. If the vehicle uses a high-cost OEM cat or has a more complex setup, costs can rise further, sometimes reaching $4,000 or more for luxury or performance models.

  • OEM or high-performance/luxury vehicles with specialized parts: ranges from about $2,000 to $6,000+ installed, depending on the exact components, emissions equipment, and labor required.


In all cases, the best approach is to get multiple quotes that itemize parts (brand and material) and labor hours, and to confirm whether any emissions-related work is required for your region.


Summary


Replacing an entire exhaust system is a multi-faceted job with costs that hinge on how much of the system is replaced, the parts chosen, and local labor rates. For most cars, plan roughly from $600 to $3,000 for a typical cat-back or full-system install, with higher-end vehicles and OEM parts driving prices upward. Always request written estimates, verify the scope of work, and consider the long-term value of stainless steel or OEM parts if you rely on the vehicle for daily driving or resale value.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.