2003 Honda Civic Performance Headers

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    • (0 reviews)
      # 813185742
      Honda Civic 2003, 304 SS 4-1 Exhaust Header by Megan Racing®. Emissions: Racing Only. Megan Racing Stainless Steel Headers are made of thick T-304 Stainless Steel and are mandrel-bent to form and fit your particular application with the...
      $137.33 - $161.11
    • (0 reviews)
      # 389117742
      Honda Civic 2003, Heavy Metal Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Color: Silver. Header Coating:...
      $381.31 - $418.48
    • (1 review)
      # 231143285
      Honda Civic with LEV1 Standard / with ULEV Standard 2003, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: CARB compliant....
      $540.23 - $560.43
    • (0 reviews)
      # mpn2765263239
      Honda Civic DX / GX / LX 2003, Standard Grade Stainless Steel Short Tube Exhaust Manifold Converter by Flowmaster®. Emissions: EPA compliant. Color: Silver. Header Coating: Uncoated. Header Style: Short Tube. Flowmaster's Standard Grade...
      Made of High Quality Stainless SteelImprove Torque and Throttle Response
      $162.32
    • (0 reviews)
      # 813116736
      Honda Civic Coupe / Sedan 2003, Exhaust Header by Torxe™. Primary Tubing Diameter: 1.5". Emissions: Racing Only. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...
      $105.00 - $129.00
    • (0 reviews)
      # 781287773
      Honda Civic Coupe / Sedan 2003, P-Series 304 SS Exhaust Header by J2 Engineering®. Primary Tubing Diameter: 1.5". Emissions: Racing Only. Color: Silver. This product is made of high-quality materials to serve you for years to come....
      $258.75 - $270.00
    • (0 reviews)
      # mpn2321647
      Honda Civic EX 2003, 409 SS Long Tube 4-1 Exhaust Header by DC Sports®. OEM. Primary Tubing Diameter: 1.36". Collector Outlet Diameter: 2". Emissions: CARB compliant. Color: Silver. Header Coating: Ceramic Coating. Header Style: Long...
      Dyno tuned and tested against the competition for maximum performanceCAD-rendered, race-inspired 4-into-1 design emphasizes top-end power for road racing applications
      $327.09
    • (0 reviews)
      # mpn2321654
      Honda Civic EX 2003, Race 409 SS Long Tube 4-2-1 Exhaust Header by DC Sports®. OEM. Primary Tubing Diameter: 1.65". Collector Outlet Diameter: 2". Emissions: Racing Only. Color: Silver. Header Coating: Ceramic Coating. Header Style:...
      Race headers eliminate catalytic converter for minumum restrictionDyno tuned and tested against the competition for maximum performance
      $415.81
    • (0 reviews)
      # 1022544048
      Honda Civic 2003, Mild Steel Exhaust Manifold Flange by Vibrant Performance®. Material: Mild Steel. Do you want to get more power out of your vehicle? Then this superior Vibrant Performance product is just for you. Carefully designed...
      Port sizing is optimized for use with standard wall round tubingMade of High Quality Materials
      $46.95
    • (0 reviews)
      # mpn4483468221
      Honda Civic 2003, HTR Oval Collector Gaskets by Percy's High Performance®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality. Designed utilizing the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $15.14
    • (0 reviews)
      # mpn4483467744
      Honda Civic 2003, Seal-4-Good™ Exhaust Header Gasket by Percy's High Performance®. Don’t put up with that ominous, unmistakable “tick, tick, tick” sound of an exhaust manifold leak. If it isn’t leaking air into the manifold...
      Multi-layered for excellent conformability and sealSeals even imperfect flanges
      $35.11
    • (0 reviews)
      # mpn4483468194
      Honda Civic 2003, XX Carbon™ Exhaust Header Gaskets by Percy's High Performance®. These durable header flange gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll seal up tight on...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $16.32
    • (0 reviews)
      # 652212880
      Honda Civic DX / EX / GX / HX / LX 2003, Vibe-Lock Header Bolt Kit by Percy's High Performance®. This product is made from high-grade materials to meet the strictest standards of high quality. Designed with the utmost care and attention...
      Built to match your exact requirementsHigh quality you can rely on
      $28.51 - $55.18
    • (0 reviews)
      # 1091833827
      Honda Civic 2003, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by PaceSetter®. Emissions: EPA compliant. PaceSetter Manifold Catalytic Converters are custom-engineered to deliver maximum performance and...
      Manifold Catalytic Converters are a direct replacement for original equipmentManufactured using mandrel-bent stainless steel tubing for a low restriction tubular manifold design
      $162.71 - $169.62
    • (0 reviews)
      # 231143261
      Honda Civic 2003, Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Color: Natural. Header Coating: Uncoated. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a...
      Includes heat-shield for protection of hoses, wiring, and other engine componentsConstruction protects against warping and/or cracking
      $334.95 - $633.38
    • (0 reviews)
      # mpn1832382
      Honda Civic 1.7L 2003, CalCat™ Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Walker®. Position: Front. Emissions: CARB compliant. This component is constructed for your vehicle’s specific emissions...
      Constructed to meet your vehicle’s specific emissions requirementsDirect fit design
      $376.20
    • (0 reviews)
      # 231143271
      Honda Civic 2003, Ultra™ Exhaust Manifold with Integrated Catalytic Converter by Walker®. Emissions: EPA compliant. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker, an industry leader, for the...
      Constructed to meet your vehicle’s specific emissions requirementsDesigned to meet EPA regulations
      $285.76 - $323.05
    • (0 reviews)
      # 20565556
      Honda Civic 2003, Exhaust Manifold with Integrated Catalytic Converter by Bosal®. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle manufacturers and use...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $264.24 - $419.41
    • (0 reviews)
      # mpn1261045
      Honda Civic 1.7L D17A1 Engine Gas 2003, ECO II Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Position: Front. Emissions: EPA compliant. If you need to replace your failed or damaged manifold, this...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $174.81
    • (0 reviews)
      # mpn1268386
      Honda Civic Hybrid 2003, ECO III Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Position: Front. Emissions: EPA compliant. If you need to replace your failed or damaged manifold, this product is the...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $301.67
    • (0 reviews)
      # 231143243
      Honda Civic 2003, Exhaust Manifold with Integrated Catalytic Converter by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made from a...
      Direct fitMade from a heavy duty stainless steel outer shell
      $355.57 - $508.37
    • (0 reviews)
      # 391763794
      Honda Civic 2003, Stainless Steel Direct Fit Exhaust Manifold with Integrated Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. The growing concern for the environment means there is a growing need for quality emission...
      5-year / 50,000-mile warranty on converterSpecifically engineered for Manifold Converter equipped vehicles.
      $220.93 - $323.76
    • (1 review)
      # 564656713
      Honda Civic 2003, Exhaust Manifold with Integrated Catalytic Converter by Davico®. Position: Front. Emissions: EPA compliant. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $152.35 - $207.63
    • (0 reviews)
      # mpn470217543
      Honda Civic EX 2003, Exhaust Manifold Gasket by Ansa®. If you're in need of a durable and efficient replacement exhaust part, rely on this OE-quality product from Ansa that provides both perfect fit and superior functionality for years...
      Completely compatible with your OE-unitFactory design to ensure a perfect fit
      $10.70
    • (0 reviews)
      # 731731640
      Honda Civic 2003, Exhaust Manifold Flange Gasket by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quickly and eaily. Choose Bosal, and you'll...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $3.94 - $13.33
    • (0 reviews)
      # 231299256
      Honda Civic 2003, Exhaust Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $6.28 - $7.63
    • (0 reviews)
      # 231143233
      Honda Civic 2003, Exhaust Manifold Gasket by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the...
      OE quality products from top original equipmentTop quality materials
      $5.61 - $8.08
    • (1 review)
      # 231143189
      Honda Civic 2003, Multi-Layer Steel Exhaust Manifold Gasket Set by AJUSA®. Material: Multi-Layer Steel. These gaskets seal components in the intake and exhaust systems of the vehicle such as the intake manifold, intake plenum, and...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $8.61 - $9.89
    • (0 reviews)
      # 90720505
      Honda Civic 2003, Multi-Layer Steel Exhaust Manifold Gasket by Victor Reinz®. Material: Multi-Layer Steel. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      High quality at an affordable priceExpertly made from premium materials
      $6.49 - $8.63
    • (0 reviews)
      # 711030569
      Honda Civic 2003, Exhaust Manifold Gasket by Ishino®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $4.81 - $7.10
    • (0 reviews)
      # 1092502829
      Honda Civic 2003, Exhaust Manifold Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $3.73 - $6.01
    • (0 reviews)
      # 231143258
      Honda Civic 2003, Exhaust Manifold Gasket Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality to provide...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $4.86 - $8.89
    • (0 reviews)
      # 600117438
      Honda Civic 2003, Exhaust Manifold Nut by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quickly and eaily. Choose Bosal, and you'll get...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $2.06
    • (0 reviews)
      # 600051985
      Honda Civic 2003, Manifold Spring by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quickly and eaily. Choose Bosal, and you'll get OE-quality...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $2.59
    • (0 reviews)
      # 22207243
      Honda Civic 2003, OEM Grade Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Color: Silver. Header Coating:...
      $478.10 - $549.95
    • (0 reviews)
      # mpn4497862287
      Honda Civic 1.7L CNG / Gas 2003, Exhaust Manifold Gasket by Mahle®. 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 will meet your...
      High quality at an affordable priceExpertly made from premium materials
      $9.62
    • (0 reviews)
      # 781513773
      Exhaust Flanges by Kooks®. 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, this product by Kooks will last a lifetime. It will meet...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $13.17 - $85.49
    • (0 reviews)
      # 346396094
      Honda Civic 2003, ECO CARB Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Position: Front. Emissions: CARB compliant. If you need to replace your failed or damaged manifold, this product is the right choice. Designed...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $371.88 - $430.27
    • (0 reviews)
      # mpn1036625161
      Honda Civic 1.7L 2003, Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Position: Front. Emissions: CARB compliant. If you need to replace your failed or damaged manifold, this product is the right choice. Designed...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $322.46
    • (0 reviews)
      # 231299221
      Honda Civic 1.7L 2003, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by ATP®. Emissions: EPA compliant. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifold-Converters provide a tested and...
      Engineered as direct OE replacement ensuring manifold will line up and flow like the original unitHigh grade steel and precious metals resist fatigue and provide long lasting reliable catalyst performance
      $308.95 - $541.66
    • (0 reviews)
      # mpn1590776076
      Honda Civic 1.3L 2003, Exhaust Manifold Gasket Set 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 will meet your...
      High quality at an affordable priceExpertly made from premium materials
      $6.68


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