2003 Honda Civic Si Catalytic Converters
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MagnaFlow®Heavy Metal Direct Fit Catalytic ConverterHonda Civic Si / Civic SiR 2.0L 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gaskets. Without Air Tube. Catalytic Converter Overall Length: 26". If your car needs replacement, install...$559.00 - Walker®CalCat™ Direct Fit Round Body Catalytic ConverterHonda Civic Si / Civic SiR 2.0L Engine Family # 3HNXV02.0XKC 2003, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. Walker is an OE supplier to many major nameplate...$834.83 - $927.92
- Davico®Direct Fit Catalytic ConverterHonda Civic Si 2.0L 2003, Catalytic Converter by Davico®. Converter Configuration: Direct Fit. Position: Front. Catalytic Converter Overall Length: 26.5". This direct-fit catalytic converter by Davico will be a great solution to replace...$354.85 - $558.72
- Walker®CalCat™ Universal Fit Round Body Catalytic ConverterHonda Civic Si / Civic SiR 2.0L Engine Family # 3HNXV02.0XKC 2003, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Specifically designed to comply with the...$575.61 - $698.74
- MagnaFlow®OBDII Direct Fit Catalytic ConverterHonda Civic Si / Civic SiR 2.0L Engine Family # 3HNXV02.0XKC with LEV Standard / LEV2 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get...$1,136.00
- Walker®Ultra™ Direct Fit Round Body Catalytic ConverterHonda Civic Si 2.0L 2003, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Catalytic Converter Overall Length: 25". Walker is an OE...$543.51
- TruParts®Exhaust System HangerHonda Civic Si Hatchback with California Emission / Federal Emission 2003, Exhaust System Hanger by TruParts®. Position: Front. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$1.61
- Original (OEM)Exhaust PartsThe exhaust system is vital to your engine's health and performance since it is responsible for carrying exhaust gases away from the vehicle. The system has many parts connecting it to the engine. All of them perform a special function...
- Honda OEExhaust System - Exhaust Components (Hatchback)Honda Civic Si Hatchback 2003, Exhaust System - Exhaust Components by Honda OE. Keep your vehicle running longer and looking brand-new with factory-grade OEM Honda parts. These parts are made for your specific year, make, and model,...Genuine Honda OEM part that fits your specific vehicle perfectlyMade to factory specifications to ensure an original look and function$4.02 - $1,658.56
- MagnaFlow®Heavy Metal Universal Fit Round Body Catalytic ConverterHonda Civic Si / Civic SiR 2.0L 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With Midbed O2 Sensor Port. Catalytic Inlet Diameter:...$188.00
- MagnaFlow®OBDII Universal Fit Round Body Catalytic ConverterHonda Civic Si / Civic SiR 2.0L Engine Family # 3HNXV02.0XKC with LEV Standard / LEV2 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air...$1,095.00
- MagnaFlow®OEM Grade Universal Fit Round Body Catalytic ConverterHonda Civic Si / Civic SiR 2.0L 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With Midbed O2 Sensor Port. Catalytic Inlet Diameter:...$202.00
- 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
- Eastern Catalytic®ECO II Direct Fit Catalytic ConverterHonda Civic Si 2.0L 2003, ECO II Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 27". If you need to replace your failed or...$483.41
- Davico®Universal Fit Catalytic ConverterHonda Civic Si / Civic SiR 2.0L with California Emission / Federal Emission 2003, Catalytic Converter by Davico®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Inlet Diameter: 2". Catalytic Converter Overall Length:...$122.58
- Walker®Ultra™ Universal Fit Round Body Catalytic ConverterHonda Civic Si / Civic SiR 2.0L 2003, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. With O2 Sensor Port. Catalytic Converter...$161.03
- Mahle®Catalytic Converter GasketHonda Civic Si / Civic SiR 2.0L 2003, Catalytic Converter Gasket by Mahle®. Position: Rear. Ring Type A. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$4.24
- iD Select®ECO II Universal Fit Catalytic ConverterUniversal ECO II Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Overall Length: 16". Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD Select....$144.22 - $146.77
- Walker®Ultra™ Universal Fit Catalytic ConverterUniversal Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. This part features the correct load of precious metals to ensure the proper limitation of tailpipe emissions. It meets the EPA policy and...$111.92 - $330.87
- CATCO®Universal Fit Catalytic ConverterUniversal Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Without Air Tube. Designed and manufactured with innovative fabrication methods, high-tech materials, and advanced coating, this converter leapfrogs the...$128.47 - $250.13
- Torxe™Universal Fit Catalytic ConverterUniversal Catalytic Converter by Torxe™. Converter Configuration: Universal Fit. Catalytic Inlet Diameter: 2". Universal Fit Catalytic Converter by Torxe. Replace your clogged, corroded, and malfunctioning catalytic converter for the...$108.00 - $175.00
- AP Exhaust®608 Series Universal Fit Catalytic ConverterUniversal 608 Series Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Without Air Tube. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is...$104.68 - $415.87
- AP Exhaust®Enhanced Standard Duty Universal Fit Oval Body Catalytic ConverterUniversal Enhanced Standard Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Catalytic Converter Overall Length: 16". Today’s exhaust...$90.57 - $125.57
- AP Exhaust®Medium Duty Universal Fit Oval Body Catalytic ConverterUniversal Medium Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. With 1 Center O2 Sensor Port. Catalytic Converter Overall Length: 17"....$140.56
- AP Exhaust®Standard Duty Spun Body Universal Fit Round Body Catalytic ConverterUniversal Standard Duty Spun Body Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Today’s exhaust performance market...$101.22 - $250.00
- AP Exhaust®Universal Fit Round Body Catalytic ConverterUniversal Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The...$232.31 - $339.18
- Davico®OBDII Universal Fit Catalytic ConverterUniversal OBDII Catalytic Converter by Davico®. Converter Configuration: Universal Fit. This Universal fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat...$115.32 - $765.46
- Eastern Catalytic®Universal Fit Large Oval Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Catalytic Converter Overall Length: 16". Whether your catalytic converter is damaged by road debris...$175.93 - $259.76
- Eastern Catalytic®Universal Fit Oval Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you...$120.09 - $190.63
- Eastern Catalytic®Universal Fit Round Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you...$151.91 - $181.15
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