How Much Does Catalytic Converter Replacement Cost in Missouri?
Missouri pricing is below the national average. Updated for 2026.
Catalytic Converter Replacement Pricing in Missouri
In Missouri, the average cost for catalytic converter replacement is $1,740 per converter, which is 13% lower than the national average of $2,000. Most Missouri residents pay between $870 and $3,045.
Missouri benefits from a lower cost of living than many states, resulting in more affordable pricing for catalytic converter replacement. This makes it one of the more budget-friendly states for this service.
Catalytic converter replacement is one of the most expensive exhaust system repairs. The converter contains precious metals (platinum, palladium, rhodium) that make it costly. It's required for emissions compliance.
Missouri vs National Average
What Affects Catalytic Converter Replacement Cost in Missouri?
Part Source
Aftermarket: $500-$1,500. OEM: $1,500-$3,500. CARB-compliant: $1,000-$2,500
Vehicle
Standard car: $1,000-$2,000. Truck/SUV: $1,500-$3,000. Luxury: $2,000-$4,000+
📐 Catalytic Converter Replacement in Missouri Cost Calculator
Get a personalized estimate based on your project details
Get a Free Estimate
Compare costs and connect with providers in your area.
Top-Rated Catalytic Converter Replacement Pros in Missouri
5 providersChampion Auto Center
🏆 SPONSOREDProudly serving MO since 2017. Licensed, insured, and committed to excellence.
Interstate Motor Works
⭐ PREMIUMProudly serving MO since 2011. Licensed, insured, and committed to excellence.
Interstate Motor Works
⭐ PREMIUMProudly serving MO since 2011. Licensed, insured, and committed to excellence.
Are You a Catalytic Converter Replacement Professional?
Get listed on CostWhale and reach thousands of customers searching for catalytic converter replacement in Missouri.
💡 Tips to Save on Catalytic Converter Replacement in Missouri
- 1.Aftermarket converters cost 40-60% less than OEM but may not be legal in all states (California requires CARB-compliant)
- 2.Independent muffler shops charge less than dealerships
- 3.Check if the repair is covered under your vehicle's emissions warranty (often 8 years/80K miles)
- 4.Get multiple quotes — prices vary dramatically
📈 Catalytic Converter Replacement in Missouri Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $1,478 | — |
| 2021 | $1,540 | +4.2% |
| 2022 | $1,640 | +6.5% |
| 2023 | $1,686 | +2.8% |
| 2024 | $1,740 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Catalytic Converter Replacement in Missouri
Recent Reports
Frequently Asked Questions
How do I know if my catalytic converter needs replacing?
Symptoms include check engine light (P0420 code), rotten egg smell, reduced performance, and failed emissions test.
Catalytic Converter Replacement Cost in Other States
Related Cost Guides for Missouri
🔍 Get Auto Repair Estimates
Compare prices from trusted mechanics near you. See fair price ranges before you go.
* CostWhale may earn a commission. This doesn't affect our pricing data or recommendations.
💰 Get Weekly Cost-Saving Tips
Join 10,000+ smart homeowners. Unsubscribe anytime.