2003 Honda Civic Si Catalytic Converters
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- Victor Reinz®Catalytic Converter GasketHonda Civic Si / Civic SiR 2.0L 2003, Catalytic Converter Gasket by Victor Reinz®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...High quality at an affordable priceExpertly made from premium materials$6.29
- ReplacementCenter Direct Fit Catalytic ConverterHonda Civic Si 1.7L 2003, Catalytic Converter by Replacement. Converter Configuration: Direct Fit. Position: Center. With Factory OE Ports. Catalytic Converter Overall Length: 41". A vehicle's exhaust system is pivotal to both...Call for Pricing
- MagnaFlow®OEM Grade Direct Fit Catalytic ConverterHonda Civic Si / Civic SiR 2.0L 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gaskets. Without Air Tube. Catalytic Converter Overall Length: 26". If your car needs replacement, install one...$586.00
- ACAT Global®High Performance Universal Fit Catalytic ConverterHonda Civic Si / Civic SiR 2.0L 2003, High Performance Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. With O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25". Catalytic...$173.95
- ACAT Global®Universal Fit Catalytic ConverterHonda Civic Si / Civic SiR 2.0L 2003, Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. With O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25". Catalytic Converter Overall...$255.50
- DEC®Standard Direct Fit Catalytic Converter and Pipe AssemblyHonda Civic Si 2.0L 2003, Standard Catalytic Converter and Pipe Assembly by DEC®. Converter Configuration: Direct Fit. With Higher Noble Metal Content. Pick out a catalytic converter by DEC and get your emissions back into check without...$544.75
- Walker®Ultra™ Universal Fit Large Oval Body Catalytic ConverterUniversal Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Without Air Tube. With O2 Sensor Port. Catalytic Converter Overall Length: 18". The Right converter,...$122.73 - $157.97
- AP Exhaust®Super X Duty Universal Fit Large Oval Body Catalytic ConverterUniversal Super X Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Without Air Tube. With 1 Center O2 Sensor Port. Catalytic Converter Overall Length: 17"....$214.23
- iD Select®ECO GM Universal Fit Large Round Body Catalytic ConverterUniversal ECO GM Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 16". Swap out your worn-out or...$197.39
- Eastern Catalytic®ECO GM II Universal Fit Large Round Body Catalytic ConverterUniversal ECO GM II Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 Angled O2 Sensor Port. Catalytic Converter Overall Length: 16". Whether your...$242.84
- Eastern Catalytic®ECO GM Universal Fit Large Round Body Catalytic ConverterUniversal ECO GM Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. Catalytic Converter Overall Length: 16". Whether your catalytic converter is damaged by...$242.21 - $242.84
- Eastern Catalytic®ECO II Universal Fit Large Round Body Catalytic ConverterUniversal ECO II Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 16". Whether your catalytic...$133.67 - $169.90
- ACAT Global®High Performance Universal Fit Catalytic ConverterUniversal High Performance Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. This product features the elaborate design that was engineered with superior precision and refined to the last detail. Made from...$138.95 - $259.95
- ACAT Global®Universal Fit Catalytic ConverterUniversal Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. This product features the elaborate design that was engineered with superior precision and refined to the last detail. Made from reliable materials...$121.66 - $231.95
- ReplacementECO GM Universal Fit Catalytic ConverterUniversal ECO GM Catalytic Converter by Replacement. Converter Configuration: Universal Fit. A vehicle's exhaust system is pivotal to both performance and eco-friendliness, silently managing engine noise and controlling emissions....Call for Pricing
- ReplacementECO III Universal Fit Catalytic ConverterUniversal ECO III Catalytic Converter by Replacement. Converter Configuration: Universal Fit. A vehicle's exhaust system is pivotal to both performance and eco-friendliness, silently managing engine noise and controlling emissions....Call for Pricing
- ReplacementStandard Universal Fit Large Round Body Catalytic ConverterUniversal Standard Catalytic Converter by Replacement. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. Catalytic Converter Overall Length: 24". A vehicle's exhaust system is pivotal to both...Call for Pricing
- ReplacementUniversal Fit Catalytic ConverterUniversal Catalytic Converter by Replacement. Converter Configuration: Universal Fit. A vehicle's exhaust system is pivotal to both performance and eco-friendliness, silently managing engine noise and controlling emissions. Replacement...Call for Pricing
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