2004 Kia Optima Performance Headers

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  • 2.4L
  • 2.7L
    • (0 reviews)
      # 61589118
      Kia Optima 2.7L 2004, 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:...
      $459.75 - $471.43
    • (0 reviews)
      # 389093795
      Kia Optima 2.7L 2004, 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...
      $400.94 - $412.59
    • (0 reviews)
      # 600580439
      Kia Optima 2.7L with LEV Standard / with LEV1 Standard with Engine Family Number 4KMXV02.7E03 2004, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet...
      $518.59 - $529.74
    • (0 reviews)
      # 231133105
      Kia Optima 2.7L 2004, Cast Iron Natural Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Finish: Natural. Color: Natural. Header Coating: Uncoated. More like a complete kit than a single part, many of the Exhaust...
      Includes heat-shield for protection of hoses, wiring, and other engine componentsConstruction protects against warping and/or cracking
      $325.82 - $390.95
    • (0 reviews)
      # 231133193
      Kia Optima 2.7L 2004, 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
      $327.24 - $333.30
    • (0 reviews)
      # 447987538
      Kia Optima 2.7L 2004, Exhaust Manifold with Integrated Catalytic Converter by Bosal®. Emissions: EPA compliant. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to...
      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
      $306.41 - $309.52
    • (0 reviews)
      # 346420204
      Kia Optima 2.7L 2004, ECO III Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Emissions: EPA 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
      $323.41 - $373.18
    • (0 reviews)
      # mpn4144518715
      Kia Optima 2.7L 2004, Exhaust Manifold with Integrated Catalytic Converter by DEC®. Position: Driver Side. Emissions: EPA compliant. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail...
      Direct fitMade from a heavy duty stainless steel outer shell
      $384.13
    • (0 reviews)
      # 1091974832
      Kia Optima 2.7L 2004, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by PaceSetter®. Emissions: EPA compliant. PaceSetter Direct-Fit Manifold Catalytic Converters are a direct replacement of original equipment and...
      Manifold Catalytic Converters are a direct replacement for original equipmentManufactured using mandrel-bent stainless steel tubing for a low restriction tubular manifold design
      $199.53
    • (0 reviews)
      # 447932402
      Kia Optima 2.7L 2004, Exhaust Manifold with Integrated Catalytic Converter by Davico®. Emissions: EPA compliant. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $284.00 - $331.91
    • (0 reviews)
      # 231133069
      Kia Optima 2004, Exhaust Manifold Gaskets by Auto 7®. An exhaust leak at the manifold can cause noise, poor engine performance, and even engine damage, and may even allow deadly CO to enter the cabin. Auto 7 has the quality parts to...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      $9.60 - $15.50
    • (0 reviews)
      # 231316366
      Kia Optima 2004, 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
      $8.70 - $10.54
    • (0 reviews)
      # 231133076
      Kia Optima 2004, 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
      $8.90 - $12.71
    • (0 reviews)
      # mpn1334498
      Kia Optima 2.7L 2004, Multi-Layer Steel Exhaust Manifold Gasket 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
      $13.36
    • (0 reviews)
      # 231133178
      Kia Optima 2.7L 2004, Exhaust Pipe to Manifold 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 will meet...
      High quality at an affordable priceExpertly made from premium materials
      $2.70 - $6.53
    • (0 reviews)
      # mpn603895
      Kia Optima 2.4L 2004, 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
      $13.74
    • (0 reviews)
      # mpn607153
      Kia Optima 2.7L 2004, Multi-Layer Steel Exhaust Manifold Gasket Set 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...
      High quality at an affordable priceExpertly made from premium materials
      $18.34
    • (0 reviews)
      # mpn2248668
      Kia Optima 2.4L 2004, Exhaust Manifold Gasket by Donga®. 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 needs and...
      High quality at an affordable priceExpertly made from premium materials
      $7.08
    • (0 reviews)
      # mpn4486229288
      Kia Optima 2.4L 2004, Exhaust Manifold Flange Gasket by Ishino®. 3 Bolt Hole. Position: Front. 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $6.78
    • (0 reviews)
      # mpn2954512
      Kia Optima 2.7L 2004, Exhaust Manifold Gasket by Keukdong®. 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...
      High quality at an affordable priceExpertly made from premium materials
      $12.57
    • (0 reviews)
      # 231133093
      Kia Optima 2004, 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
      $4.12 - $5.96
    • (0 reviews)
      # mpn4525157704
      Kia Optima 2.4L 2004, 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $5.56
    • (0 reviews)
      # 1092331831
      Kia Optima 2004, 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, it...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $8.65 - $8.69
    • (0 reviews)
      # 1022159046
      Exhaust Header by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is designed with utmost care and meticulous attention to detail to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $139.75 - $548.31
    • (0 reviews)
      # 659607306
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Basic Kit by Icengineworks®. Quantity: 124 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $419.99
    • (0 reviews)
      # 659607273
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Basic Plus Kit by Icengineworks®. Including 1625BASIC and 1625TTWCS. Quantity: 128 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $499.99
    • (0 reviews)
      # 659607249
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Pro Kit by Icengineworks®. Quantity: 248 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $774.99
    • (0 reviews)
      # 659607225
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Pro Plus Kit by Icengineworks®. Including 1625PRO and 1625TTWCS. Quantity: 252 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $874.99
    • (0 reviews)
      # 659607333
      1625 Series 1-5/8" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 1625CSS. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $599.99
    • (0 reviews)
      # 659607440
      1625 Series 1-5/8" Outer Diameter Modeling Exhaust Full System Kit by Icengineworks®. Including 1625PRO, PIV1000, 1625CSS, 1625TTWCS. Quantity: 256 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects....
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $1,399.99
    • (0 reviews)
      # 659607293
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Basic Kit by Icengineworks®. Quantity: 154 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $419.99
    • (0 reviews)
      # 659607337
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Basic Plus Kit by Icengineworks®. Including 1750BASIC and 1750TTWCS. Quantity: 158 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $499.99
    • (0 reviews)
      # 659607207
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Pro Kit by Icengineworks®. Quantity: 308 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $774.99
    • (0 reviews)
      # 659607395
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Pro Plus Kit by Icengineworks®. Including 1750PRO and 1750TTWCS. Quantity: 312 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $874.99
    • (0 reviews)
      # 659607401
      1750 Series 1-3/4" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 1750CSS. Quantity: 5 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $699.99
    • (0 reviews)
      # 659607387
      1750 Series 1-3/4" Outer Diameter Modeling Exhaust Full System Kit by Icengineworks®. Including 1750PRO, PIV1000, 1750CSS, 1750TTWCS. Quantity: 317 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects....
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $1,499.99
    • (0 reviews)
      # 659607419
      1875 Series 1-7/8" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 1875CSS. Quantity: 5 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $749.99
    • (0 reviews)
      # 659607451
      2000 Series 2" Outer Diameter Exhaust Modeling Block Basic Kit by Icengineworks®. Quantity: 124 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $419.99
    • (0 reviews)
      # 659607284
      2000 Series 2" Outer Diameter Exhaust Modeling Block Basic Plus Kit by Icengineworks®. Including 2000BASIC and 2000TTWCS. Quantity: 128 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $499.99
    • (0 reviews)
      # 659607383
      2000 Series 2" Outer Diameter Exhaust Modeling Block Pro Kit by Icengineworks®. Quantity: 248 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $799.99
    • (0 reviews)
      # 659607374
      2000 Series 2" Outer Diameter Exhaust Modeling Block Pro Plus Kit by Icengineworks®. Including 2000PRO and 2000TTWCS. Quantity: 252 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $874.99
    • (0 reviews)
      # 659607412
      2000 Series 2" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 2000CSS. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $649.99
    • (0 reviews)
      # 659607425
      2000 Series 2" Outer Diameter Modeling Exhaust Full System Kit by Icengineworks®. Including 2000PRO, PIV1000, 2000CSS, 2000TTWCS. Quantity: 256 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects....
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $1,499.99
    • (0 reviews)
      # 659607410
      1625 Series 1-5/8" Outer Diameter Exhaust Collector Dummy by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines,...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $119.99 - $199.99
    • (0 reviews)
      # 659607447
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Set by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines,...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $149.99 - $199.99
    • (0 reviews)
      # mpn4483950933
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block/Starter Tube Adapter by Icengineworks®. Quantity: 1 Piece. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $15.99
    • (0 reviews)
      # mpn4483950934
      1625 Series 1-5/8" Outer Diameter Exhaust Tack Welding Clamp Set by Icengineworks®. Material: Stainless Steel. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $104.99
    • (0 reviews)
      # 659607407
      1625 Series Exhaust HDPE Tube-Cutting Spacer by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines, fabricators are...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $79.99 - $299.99
    • (0 reviews)
      # 659607369
      1750 Series 1-3/4" Outer Diameter Exhaust Collector Dummy by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines,...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $119.99 - $199.99
    • (0 reviews)
      # 659607430
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Set by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines,...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $149.99 - $199.99
    • (0 reviews)
      # mpn4483950926
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block/Starter Tube Adapter by Icengineworks®. Quantity: 1 Piece. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $15.99
    • (0 reviews)
      # mpn4483950963
      1750 Series 1-3/4" Outer Diameter Exhaust Tack Welding Clamp Set by Icengineworks®. Material: Stainless Steel. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $104.99
    • (0 reviews)
      # 659607445
      1875 Series 1-7/8" Outer Diameter 4-into-1 Exhaust Collector Dummy by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $124.99 - $199.99
    • (0 reviews)
      # mpn4483950960
      1875 Series 1-7/8" Outer Diameter Exhaust Tack Welding Clamp Set by Icengineworks®. Material: Stainless Steel. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $104.99
    • (0 reviews)
      # 659607355
      1875 Series Exhaust HDPE Tube-Cutting Spacer by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines, fabricators are...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $79.99 - $449.99
    • (0 reviews)
      # 659607418
      2000 Series 2" Outer Diameter 4-into-1 Exhaust Collector Dummy by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $124.99 - $199.99
    • (0 reviews)
      # 659607453
      2000 Series 2" Outer Diameter Exhaust Modeling Block Set by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines,...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $149.99 - $199.99
    • (0 reviews)
      # mpn4483950967
      2000 Series 2" Outer Diameter Exhaust Modeling Block/Starter Tube Adapter by Icengineworks®. Quantity: 1 Piece. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $15.99
    • (0 reviews)
      # mpn4483950935
      2000 Series 2" Outer Diameter Exhaust Tack Welding Clamp Set by Icengineworks®. Material: Stainless Steel. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $109.99
    • (0 reviews)
      # 659607429
      2000 Series Exhaust HDPE Tube-Cutting Spacer by Icengineworks®. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of mandrel bending machines, fabricators are...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $89.99 - $349.99




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