Exhaust replacement costs on a Honda Civic vary widely, from roughly a few hundred dollars for a muffler to several thousand for a catalytic converter or full system, depending on model year, parts choice, and labor rates.
What affects the price
Several factors determine the final bill, including which exhaust component is being replaced, whether you choose OEM Honda parts or aftermarket equivalents, the Civic’s model year and engine, and the labor rate at your chosen shop.
Key cost drivers
- Component being replaced: muffler, cat-back system, catalytic converter, or a full exhaust replacement.
- Parts choice: OEM/genuine Honda parts versus aftermarket equivalents; stainless steel or aluminized systems can influence price and durability.
- Vehicle specifics: engine type (e.g., naturally aspirated vs turbo) and the year; some Civics place the catalytic converter differently, affecting labor complexity.
- Labor rates: vary by region and shop; typical rates range from about $70 to $150 per hour in many areas.
Understanding these factors helps you estimate a budget and compare quotes from multiple shops.
Cost breakdown by component
Below are typical price ranges you can expect for common replacement scenarios, including parts and labor. These figures reflect standard labor rates and common vehicle configurations for recent Honda Civics.
- Muffler or resonator replacement: parts typically $40–$250; labor around $60–$150; total commonly $100–$400.
- Cat-back exhaust system replacement (muffler to tailpipe): parts $300–$900; labor $120–$300; total about $420–$1,200.
- Catalytic converter replacement (OEM/new converter, single converter): parts $600–$2,000+; labor $150–$350; total roughly $750–$2,350+.
- Catalytic converter replacement (aftermarket converter): parts $200–$900; labor $150–$350; total roughly $350–$1,250.
- Full exhaust replacement (headers to tailpipe): parts $700–$2,000+; labor $200–$500; total about $900–$2,500+.
Prices vary by shop, location, and whether your Civic requires additional work like sensor replacement or gasket changes. Expect higher quotes for older or heavily corroded vehicles.
Labor costs and timing
Labor times for exhaust work are typically modest, but can rise with difficulty, corrosion, or if components are seized. Here are rough time frames to help you plan.
- Muffler replacement: usually 1–2 hours.
- Cat-back replacement: typically 1–2 hours.
- Catalytic converter replacement: 1–3 hours, occasionally longer if parts are seized or welded.
- Full exhaust replacement: 2–4 hours depending on access and vehicle condition.
Shop labor rates commonly range from about $70 to $150 per hour in the United States. Higher-cost markets or specialty shops may bill more.
Additional considerations
Before proceeding, consider how these factors might influence your decision and total cost.
- Emissions and inspections: Catalytic converter work affects emissions compliance; ensure replacements meet local regulations and that sensors and ECU compatibility are accounted for.
- Warranty: OEM parts typically carry a manufacturer warranty; many aftermarket parts have varying warranty terms or none at all.
- Sound and performance: Cat-back and muffler choices impact noise levels and exhaust tone; pricier systems often offer better materials and warranties.
- Quotes and scope: Get multiple written estimates, and confirm whether quotes include related work (gaskets, O2 sensors, mounting hardware) and any necessary vehicle prep.
Summary
Replacing a Honda Civic’s exhaust can range from about $100 to more than $2,500, depending on the component, part choices, and labor rates. Muffler-only jobs are typically the most affordable, while catalytic converter replacements or full exhaust systems carry higher costs. To budget effectively, obtain several quotes, compare OEM versus aftermarket parts, and confirm compliance with emissions requirements in your area.
Bottom line: plan for a broad range, factor in regional labor rates, and choose components that balance cost, durability, and noise/appearance preferences.


