2003 Kia Optima Performance Headers

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    • (0 reviews)
      # 136722519
      Kia Optima 2.7L 2003, 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...
      $199.53
    • (0 reviews)
      # 389093795
      Kia Optima 2.7L 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...
      $400.94 - $412.59
    • (0 reviews)
      # 61589118
      Kia Optima 2.7L 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:...
      $459.75 - $471.43
    • (0 reviews)
      # 600514436
      Kia Optima With LEV Specification / With LEV1 Specification 2003, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Color: Silver. Header Coating: Uncoated. If your car needs...
      $407.92 - $529.74
    • (0 reviews)
      # 231133069
      Kia Optima 2003, 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
      $9.18 - $15.36
    • (0 reviews)
      # 231133105
      Kia Optima 2.7L 2003, Cast Iron Natural Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Finish: Natural. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a...
      $320.25 - $394.95
    • (0 reviews)
      # 231133193
      Kia Optima 2.7L 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...
      $327.03 - $333.10
    • (0 reviews)
      # 447987538
      Kia Optima 2.7L 2003, 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...
      $311.98 - $315.15
    • (0 reviews)
      # 346420204
      Kia Optima 2.7L 2003, 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...
      $360.08 - $387.48
    • (0 reviews)
      # mpn946776
      Kia Optima 2.4L With Tier0 Specification / With TIER1 Specification 2003, Front Exhaust Manifold with Integrated Catalytic Converter by DEC®. Location: Front. Emissions: EPA compliant. Pick out a catalytic converter by DEC and get your...
      $368.86
    • (0 reviews)
      # 447932402
      Kia Optima 2.7L 2003, 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...
      $295.11 - $344.88
    • (0 reviews)
      # 231316366
      Kia Optima 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
      $8.69 - $10.57
    • (0 reviews)
      # 231133076
      Kia Optima 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
      $8.91 - $12.96
    • (0 reviews)
      # mpn1334498
      Kia Optima 2.7L 2003, 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)
      # mpn1321465
      Kia Optima 2.4L 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
      $8.25
    • (0 reviews)
      # 231133178
      Kia Optima 2.7L 2003, 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 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
      $13.74
    • (0 reviews)
      # mpn607153
      Kia Optima 2.7L 2003, 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 2003, 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
      $6.92
    • (0 reviews)
      # mpn2954512
      Kia Optima 2.7L 2003, 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
      $12.72
    • (0 reviews)
      # 231133093
      Kia Optima 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
      $4.12 - $5.96
    • (0 reviews)
      # mpn4478921216
      Universal 304 SS Exhaust Manifold by Megan Racing®. Megan Racing Turbo Manifolds are made with T-304 stainless steel and utilize mandrel bent piping with CNC Machined Flanges. Each set is tested and dyno'ed to make sure the fitment and...
      $223.77
    • (0 reviews)
      # 285466062
      Universal Header Merge Collector by MagnaFlow®. These headers are a cost effective an easy way to boost your vehicle's horsepower and torque in almost nothing flat. They are made of mandrel bent stainless steel with a ceramic coating...
      Easy and a cost effective solution to add horsepower and torque to your enginePrecisely designed for quality, fit and function
      $248.00 - $311.58
    • (0 reviews)
      # 285466057
      Universal Aluminized Steel Header Collector Ball Flange Kit by Flowmaster®. Material: Aluminized Steel. The Collector Ball Flange takes the place of the messy three-bolt connections and ensures a leak-free and connection. The ball type...
      Replaces Messy 3-Bolt Flange ConnectionEnsures Leak Free Connection
      $101.48 - $101.98
    • (1 review)
      # 285466056
      Universal Scavenger Series Y-Collector by Flowmaster®. The patented Scavenger Y-Collector is based on the principles of Pulse Technology. They are designed to harmonize the exhaust pulses from two cylinders that are at the opposite ends...
      Race Proven TechnologyPatented Design that Creates Low Pressure Zones for Better Scavenging
      $48.74 - $55.38
    • (0 reviews)
      # mpn1295593899
      Universal 304 SS Mill 2-Bolt Manifold Flange by Stainless Works®. Primary Tubing Diameter: 3.02". Finish: Mill. Material: 304 SS. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $38.00
    • (0 reviews)
      # 448253223
      Universal 304 SS Mill 3-Bolt Collector Adapter by Stainless Works®. Finish: Mill. Material: 304 SS. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion....
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $66.50 - $109.25
    • (0 reviews)
      # 466746659
      Universal Ball-Socket Style Exhaust Flange Kit by Hedman Hedders®. Ball & Socket Header Flange Kits allow you to convert a gasket style, or race style header collector to a gasket-free Ball-Style Collector. Hedman’s gasketless, Ball &...
      Available in 304 Stainless Steel, Aluminized Steel, Mild SteelEasy to Install
      $33.51 - $154.40
    • (0 reviews)
      # 466972652
      Universal Header Reducers by Hedman Hedders®. Hedman reducers (exhaust system adapters) weld on to your exhaust system, so you can easily bolt up your Hedman Hedders to the vehicle’s exhaust.
      Available in Mild Steel, Aluminized Steel or Stainless SteelAll necessary hardware included
      $22.77 - $80.71
    • (0 reviews)
      # 466734101
      Universal Heat Riser Valve by Hedman Hedders®. Universal heat riser valve adapters are available in two and three bolt designs, and fit 2-1/2" and 3" collectors.
      Made of High Quality MaterialsEnsure Optimum Performance
      $52.98 - $76.52
    • (0 reviews)
      # 466901649
      Universal Mild Steel Exhaust Headers Collectors by Hedman Hedders®. Material: Mild Steel. This Hedman Hedders product is just the option for you in case you want to get the most out of your auto. It is made from first-rate materials to...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $51.68 - $239.67
    • (0 reviews)
      # 466877651
      Universal Mild Steel Header Reducers by Hedman Hedders®. Material: Mild Steel. Many of Hedman's newer hedder models utilize a ball & socket style collector. If your Hedman Hedders have thisstyle of collector they do not require a gasket.
      Made of High Quality MaterialsBuilt to Last
      $29.90 - $33.94
    • (0 reviews)
      # 285466074
      Universal 304 SS Merge Collector by Vibrant Performance®. Material: 304 SS. Vibrant Performance offers a comprehensive, high quality and affordably priced range of T304 Stainless Steel Merge Collectors to help free up maximum horsepower...
      Help free up maximum horsepowerEasy To Use
      $52.95 - $267.54
    • (0 reviews)
      # 482094993
      Universal 304 SS Slip Joint Adapter by Vibrant Performance®. Material: 304 SS. Vibrant Performance offers a comprehensive, high quality and affordably priced range of T304 Stainless Steel Merge Collectors to help free up maximum...
      Help free up maximum horsepowerEasy To Use
      $31.45 - $59.95
    • (0 reviews)
      # 466758648
      Universal Reducer by Flowtech®. Flowtech understands that when you purchase a set of headers, a muffler, or even an entire exhaust system, you want to know that you’re getting everything you need to complete the installation.
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $19.42 - $128.95
    • (0 reviews)
      # 285466054
      Universal Elbow Kit by Dynatech®. These Long Tube Pavement Late Model Headers are designed for use with Standard Chevy engines. The Long Tube design promotes excellent torque throughout the RPM range.
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $105.99 - $109.99
    • (0 reviews)
      # 285466053
      Universal Mild Steel Black Painted High-Velocity Merge Collector by Dynatech®. Finish: Black Painted. Material: Mild Steel. Dynatech Merge Collectors are an excellent way to maximize the potential of your exhaust system. When your...
      Maximizes the potential of the exhaust systemMade of High Quality Materials
      $199.99
    • (0 reviews)
      # 285466052
      Universal Mild Steel High-flow Slip On Exhaust Collector by Dynatech®. Material: Mild Steel. Dynatech High-Flow Slip On Collectors are designed with maximum exhaust flow in mind. With a High-Flow long transition area, these collectors...
      Collectors come race-ready right out of the boxAvailable in a wide variety of primary tube and collector outlet sizes
      $49.99 - $149.99
    • (0 reviews)
      # mpn358955125
      Universal Collector Reducer Kit by Doug's Headers®. Doug’s collector reducer kits come complete with two reducers, gaskets and flange bolts. This product is made of high-quality materials to serve you for years to come. Designed using...
      High quality at an affordable priceExpertly made from premium materials
      $64.77
    • (0 reviews)
      # 466303475
      Universal Aluminized Steel 3-Bolt Flange Header Buddy Reducer by Jones Exhaust®. Material: Aluminized Steel. Thoroughly engineered to perform and outperform any competition, these premium exhaust pipes by Jones Exhaust are a must for...
      High quality at an affordable priceExpertly made from premium materials
      $31.92 - $32.27
    • (0 reviews)
      # mpn478097096
      Universal Aluminized Steel 3-Bolt Flange Header Collector Extension by Jones Exhaust®. Material: Aluminized Steel. This Jones Exhaust product is just the option for you in case you want to get the most out of your auto. It is made from...
      High quality at an affordable priceExpertly made from premium materials
      $19.75
    • (0 reviews)
      # 285466061
      Universal Aluminized Steel 3-Bolt Flange Header Collector Extension by Jones Exhaust®. Material: Aluminized Steel. This Jones Exhaust product is just the option for you in case you want to get the most out of your auto. It is made from...
      High quality at an affordable priceExpertly made from premium materials
      $10.51 - $13.49
    • (0 reviews)
      # 564505711
      Universal Stainless Steel Header Tether System by Lokar®. Material: Stainless Steel. Lokar has released a tether system for multi-piece headers and headers with removable collectors/stacks. The Lokar Header Tether System is a secondary...
      $174.57 - $177.85
    • (0 reviews)
      # 285466065
      Universal 3 Bolt Style Exhaust Collector Flange Kit by Patriot Exhaust®. Flange kits include two flanges, gaskets and flange bolts. All round collector flanges include two block off plates and two flanges. 4-gauge flange thickness....
      Welding Required: YesCollector Ring Finish: Natural
      $12.85 - $17.33
    • (0 reviews)
      # 285466064
      Universal 4-1 Formed Collectors by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built from...
      Expertly crafted from premium materialsQuality design and workmanship
      $37.57 - $88.98
    • (0 reviews)
      # 285466066
      Universal Collector Reducer by Patriot Exhaust®. Patriot Exhaust collector reducers are zinc plated to minimize corrosion while providing a weldable finish. All collector reducer kits come with two reducers, gaskets and flange bolts.
      Zinc plated to minimize corrosionWeld on reducers
      $25.03 - $31.22
    • (0 reviews)
      # 564664737
      Universal Collector Reducers by Patriot Exhaust®. Patriot Exhaust collector reducers are zinc plated to minimize corrosion while providing a weldable finish. All collector reducer kits come with two reducers, gaskets and flange bolts.
      Zinc plated to minimize corrosionWeld on reducers
      $34.70 - $89.09
    • (0 reviews)
      # mpn358950043
      Universal Dome Style Reducer by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built from...
      Expertly crafted from premium materialsQuality design and workmanship
      $25.91
    • (0 reviews)
      # 466224484
      Universal Exhaust Header Collector by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built...
      Expertly crafted from premium materialsQuality design and workmanship
      $67.84 - $87.51
    • (0 reviews)
      # 378475798
      Universal Exhaust Turnout Kit by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built from...
      Expertly crafted from premium materialsQuality design and workmanship
      $76.60 - $154.14
    • (0 reviews)
      # 266461865
      Universal 2 into 1 Y-Pipe Collector 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $99.83 - $110.93
    • (0 reviews)
      # 466906651
      Universal 3-Bolt Exhaust Header Collector Flange 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $5.67 - $6.04
    • (0 reviews)
      # 266461864
      Universal Collector Insert Reducer 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $20.32
    • (0 reviews)
      # 466960655
      Universal Slip Over Header Collector 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $40.90 - $219.50
    • (0 reviews)
      # mpn4158320080
      Universal Aluminized Steel 3-Bolt Flange Header Reducer Kit by Trans-Dapt®. Material: Aluminized Steel.
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $24.79
    • (1 review)
      # mpn753352383
      Universal Header Reducer by BTP®. Each. This premium quality part by BTP helps your exhaust system to perform at its full efficiency as well as provide your vehicle with a more aggressive and powerful sound. This part is made from...
      Engineered to make your exhaust system perform at its peakProvides a powerful and aggressive sound
      $10.46
    • (0 reviews)
      # 285466063
      Universal Manifold Clamp-A-Stud by Nickson®. 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 deliver great...
      Expertly crafted from premium materialsQuality design and workmanship
      $27.20
    • (0 reviews)
      # mpn4478920201
      Universal Donut Exhaust Flange by Megan Racing®. To meet the demands of today s tuners, Megan Racing will start to develop more universal exhaust pieces. All of Megan Racing universal exhaust pieces are constructed of T-304 stainless...
      Made with quality and safety in mindThe highest grade materials and the latest technologies
      $34.07
    • (0 reviews)
      # 608639963
      Universal Insultherm Header Wrap by DCI®. 2" Width. 1 Piece. Insultherm Header Wrap is an extremely high temperature resistant wrap commonly used to contain and manage hot gases in automotive and high performance headers and exhausts....
      Made to ensure the highest level of qualityVersatile and extremely easy to install
      $36.16 - $129.78
    • (0 reviews)
      # mpn4481193875
      Universal Insultherm Silica Header Wrap by DCI®. 2" Width. 20' Length. Natural color. 1 Piece. Insultherm Silica Header Wrap is made from texturized amorphous silica filament woven into a strong and flexible form. Suitable for...
      Made to ensure the highest level of qualityVersatile and extremely easy to install
      $102.54




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