DODGE Viper Catalytic converter replacement Cost
2003–2007 · Engine, Fuel & Emissions system
Typical range
$679–$8.4k
Parts + labour
Labour hours
1–6h
At a typical garage
The catalytic converter reduces harmful exhaust gases by converting them to less toxic compounds. A failing cat triggers a P0420 check engine light, may produce a sulphur smell and can reduce engine power. DODGE Viper catalytic converter replacement costs $679–$8369—one of the more expensive emission-related repairs.
Typical parts included
- Catalytic converter
What affects the price
- OEM vs direct-fit aftermarket vs universal (OEM recommended for emissions compliance)
- Whether the vehicle has multiple catalytic converters (common on V6/V8)
- Whether upstream oxygen sensors need replacing at the same time
Common questions
How long does this repair take?
Catalytic converter replacement on a DODGE Viper typically takes 1–6 hours at a garage.
How often does this need to be done?
For a DODGE Viper, this is typically needed catalytic converters are replaced on failure; typical lifespan is 100,000–150,000 miles with good maintenance.
Other engine, fuel & emissions system repairs on the DODGE Viper
- ABS hydraulic unit replacement$536–$982
- ABS sensor replacement$220–$404
- ABS system bleeding$176–$323
- AC compressor clutch replacement$441–$809
- AC compressor replacement$473–$866
Catalytic converter replacement cost on similar cars
- CHEVROLET Camaro$347–$635
- BMW 4 Series Coupe$315–$578
- FORD Mustang$347–$635
- HONDA Accord Coupe$315–$578
- AUDI A5$350–$630
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