1990 Honda Civic Si Performance Headers

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    • (0 reviews)
      # mpn2321641
      Honda Civic Si 1990, 409 SS Long Tube 4-2-1 Exhaust Header by DC Sports®. OEM. Primary Tubing Diameter: 1.65". Collector Outlet Diameter: 2". Color: Silver. Header Coating: Ceramic Coating. Header Style: Long Tube. DC Sports 4-2-1...
      Dyno tuned and tested against the competition for maximum performanceOne-piece design reduces weight by eliminating middle flanges
      $325.52
    • (0 reviews)
      # mpn152552
      Honda Civic Si 1990, 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...
      OE quality products from top original equipmentTop quality materials
      $10.89
    • (0 reviews)
      # mpn945015
      Honda Civic Si / Civic SiR 1990, 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 easily. Choose...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $4.01
    • (0 reviews)
      # mpn1151262249
      Honda Civic Si 1990, 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...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $5.90
    • (0 reviews)
      # mpn4486228011
      Honda Civic Si 1990, Exhaust Manifold Flange 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $5.43
    • (0 reviews)
      # mpn458181355
      Honda Civic Si / Civic SiR 1990, Multi-Layer Steel Exhaust Header Gasket by Cometic Gasket®. Material: Multi-Layer Steel. Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set...
      Made of High Quality MaterialsBuilt to Last
      $20.75
    • (0 reviews)
      # 231143573
      Honda Civic Si 1990, Exhaust Manifold Flange by Vibrant Performance®. Do you want to get more power out of your vehicle? Then this superior Vibrant Performance product is just for you. Carefully designed for maximum performance, is will...
      Port sizing is optimized for use with standard wall round tubingMade of High Quality Materials
      $46.95 - $59.95
    • (0 reviews)
      # 652542882
      Honda Civic Si / Civic SiR 1990, 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 to...
      Built to match your exact requirementsHigh quality you can rely on
      $49.11 - $56.26
    • (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)
      # mpn1622044890
      Universal Brass Exhaust Manifold Hardware Kit by Dorman®. Material: Brass. Dorman's Exhaust Nuts are now available separately for exhaust manifold repairs. These direct replacement nuts are ideal for securing exhaust components and used...
      Direct replacement for a proper fit every timeHigh-quality steel and rubber materials provides years of trouble-free service
      $3.62
    • (0 reviews)
      # 1370621596
      Universal Manifold Stud by AP Exhaust®. This superior product was carefully designed with key attention to detail and manufactured from high-grade materials to the strict standards of the highest quality. This AP Exhaust Technologies...
      Made from first-rate materialsEnsures outstanding durability
      $0.29 - $0.78


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