2007 Hummer H3 Performance Headers

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    • (1 review)
      # mpn1040720
      Hummer H3 2007, 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
      $323.21
    • (0 reviews)
      # 1257412670
      Hummer H3 2007, Exhaust Manifold with Integrated Catalytic Converter by Davico®. Position: Front. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $285.37
    • (0 reviews)
      # 1200346656
      Hummer H3 2007, Cast Iron Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Color: Natural. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a complete...
      Includes heat-shield for protection of hoses, wiring, and other engine componentsConstruction protects against warping and/or cracking
      $347.11 - $813.95
    • (0 reviews)
      # mpn4564010225
      Hummer H3 2007, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by PaceSetter®. Position: Front. PaceSetter Manifold Catalytic Converters are custom-engineered to deliver maximum performance and efficiency from your...
      Manifold Catalytic Converters are a direct replacement for original equipmentManufactured using mandrel-bent stainless steel tubing for a low restriction tubular manifold design
      $233.15
    • (0 reviews)
      # 346428118
      Hummer H3 2007, Ultra™ Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Walker®. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker, an industry leader, for the finest emission...
      Constructed to meet your vehicle’s specific emissions requirementsDesigned to meet EPA regulations
      $329.32 - $380.05
    • (0 reviews)
      # mpn1134541
      Hummer H3 2007, OEM Grade Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 3". Color: Silver. Header Coating: Uncoated. If your car needs...
      Reduces harmful emissionsPhysically part of the exhaust header/manifold assembly
      $823.55
    • (1 review)
      # mpn4476217549
      Hummer H3 4WD 2007, GM Original Equipment™ Exhaust Manifold Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $11.95
    • (0 reviews)
      # mpn4552653935
      Hummer H3 2007, 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 meet...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $6.33
    • (0 reviews)
      # mpn4486227610
      Hummer H3 Base 2007, 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 needs and...
      High quality at an affordable priceExpertly made from premium materials
      $9.27
    • (0 reviews)
      # mpn4486036017
      Hummer H3 Base 2007, Exhaust Pipe to 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
      $10.73
    • (0 reviews)
      # mpn616592
      Hummer H3 MFI 2007, Graphite/WireMesh Exhaust Seal Ring by Victor Reinz®. Material: Graphite/WireMesh. 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
      $7.62
    • (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)
      # 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
      $3.21
    • (0 reviews)
      # mpn2662834505
      Hummer H3 2007, Exhaust Manifold with Integrated Catalytic Converter by ATP®. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifold-Converters provide a tested and proven solution to repair vehicles with increased...
      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
      $433.04
    • (0 reviews)
      # mpn2263350741
      Hummer H3 2007, Exhaust Manifold with Integrated Catalytic Converter by DEC®. Position: Front. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are...
      Direct fitMade from a heavy duty stainless steel outer shell
      $478.38
    • (0 reviews)
      # mpn1590776077
      Hummer H3 2007, 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 with...
      High quality at an affordable priceExpertly made from premium materials
      $6.77
    • (0 reviews)
      # mpn4525158318
      Hummer H3 2007, 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
      $4.04
    • (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 - $0.77


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