Hummer H1 Performance Exhaust Systems

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    • (0 reviews)
      # sp124157
      Cat-Back Exhaust System by Billy Boat Exhaust®. Mandrel bent from the highest-grade T-304 stainless steel. Designed, tested, and manufactured to the finest hand-made integrity found in any exhaust system.
      $620.97 - $1,610.96
    • (0 reviews)
      # sp29610
      HX40 Style Downpipe by Fleece Performance Engineering®. Stainless downpipe with Full Marmon clamp and exhaust clamp. CA Prop 65 WARNING - This product contains chemicals known to the State of California to cause cancer, and/or birth...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $227.05
    • (0 reviews)
      # mpn670672727
      HX40 Style Downpipe by Fleece Performance®. Main Piping Diameter: 3.5"-4". HX40 Style Downpipe upgrade. Requires driver side transmission dipstick tube. CA Prop 65 WARNING - This product contains chemicals known to the State of...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $227.05
    • (0 reviews)
      # sp155613
      VGT Turbo Downpipe by Wehrli Custom Fabrication®. Emissions: EPA compliant. WCFab 3" VGT Turbo Downpipes for LLY, LBZ, LMM, & LML increase Turbo Spool up and Lower EGT's. Replacing the "crushed style" restrictive factory downpipe is a...
      Made to ensure the highest level of qualityPrecise engineering provides great longevity
      $161.37
    • (0 reviews)
      # sp159365
      Catalytic Converter Delete Pipes by Billy Boat Exhaust®.Mandrel bent from the highest-grade T-304 stainless steel. Designed, tested, and built to the finest hand-made integrity found in any exhaust system. Limited Lifetime Warranty....
      Limited Lifetime WarrantyIncorporates 3-generations of fabrication skill and racing talent
      $249.60 - $680.30
    • (0 reviews)
      # mpn470317634
      Weld-On Support Pipe Kit by PPE®. 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 quality at...
      Thoughtfully designed to match your diesel engine needsMade to help enhance the performance of your vehicle
      $17.99
    • (0 reviews)
      # mpn470317634
      Weld-On Support Pipe Kit by PPE®. 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 quality at...
      Thoughtfully designed to match your diesel engine needsMade to help enhance the performance of your vehicle
      $17.99
    • (0 reviews)
      # sp92964
      Header Locking Bolt Kit by Stage 8®. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are removable and reusable and can be visually inspected; if the locking retainer and clip are present then...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $15.00 - $112.85
    • (0 reviews)
      # sp107342
      O2 Extension Wire by JBA®. 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 quality at an...
      Built to match your exact requirementsHigh quality you can rely on
      $29.93 - $40.13
    • (2 reviews)
      # sp27211
      Professional™ Oxygen Sensor by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s Professional Oxygen Sensors help. You can find...
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor
      $16.81 - $221.70
    • (0 reviews)
      # sp26976
      Oxygen Sensor by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories, you get...
      Makes installation quick and easyOptimal OE-style fit and quality
      $25.64 - $292.28
    • (0 reviews)
      # sp5756
      Oxygen Sensor by Delphi®. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together to develop the most innovative oxygen...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $12.75 - $209.93
    • (1 review)
      # sp27974
      Oxygen Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels of...
      One-piece laser welded body for maximum protection and precise operation maintaining sensor integrityDual internal talc seal makes your oxygen sensors last longer
      $13.91 - $201.13
    • (0 reviews)
      # sp119178
      Universal Oxygen Sensor by Bosch®. Properly functioning oxygen sensors are important when it comes to your vehicle's fuel efficiency and reducing harmful exhaust emissions. That's why checking for, and possibly replacing, a worn-out...
      Patented SmartLink™ connector systemNo special tools required for installation
      $14.19 - $71.07
    • (18 reviews)
      # sp99082
      OE Connector Oxygen Sensor by Denso®. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under idle, moderate...
      Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies
      $10.75 - $362.09
    • (0 reviews)
      # sp118924
      Universal Fit Oxygen Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use of...
      Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies
      $11.24 - $65.70
    • (13 reviews)
      # sp5156
      Oxygen Sensor by NTK®. This product is designed to improve engine efficiency and fuel mileage, while reducing emissions and extending catalyst life. The oxygen sensor is made of premium quality material and extensively tested during...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $11.68 - $173.44
    • (3 reviews)
      # sp99297
      Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most rigorous testing process. It...
      Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements
      $9.50 - $724.60
    • (3 reviews)
      # sp137457
      Oxygen Sensor by Aceon®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials...
      Designed to provide long-lasting service lifeMade utilizing state-of-the-art equipment
      $9.81 - $56.43
    • (0 reviews)
      # sp106503
      V-Band Exhaust Manifold Clamp by Dorman®. Easily repair exhaust leaks without removing broken manifold bolts with Dorman’s Exhaust Manifold to Cylinder Head Repair Clamp. This Manifold Repair Clamp attached to the cylinder head,...
      Direct replacement for a proper fit every timeReplacement restores drivability and proper engine performance
      $11.05 - $46.95
    • (0 reviews)
      # sp4472
      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 specific OEM...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $3.17 - $117.13
    • (0 reviews)
      # sp109736
      Multi-Layer Steel 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
      $3.41 - $92.98
    • (0 reviews)
      # sp117268
      Exhaust Manifold Gasket Set by Apex Auto®. Apex products, at present, cover the engine gaskets, seals and head bolts for full coverage of Domestic, Japanese, Korean and popular Eurpoean applications, and are manufactured to meet or...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $1.71 - $53.70
    • (1 review)
      # sp109746
      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 you with long-term...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $2.81 - $36.76
    • (0 reviews)
      # sp5612
      Catalytic Converter 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 your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $1.75 - $42.77
    • (1 review)
      # sp4473
      Exhaust Pipe Flange Gasket 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 specific OEM...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $1.00 - $29.63
    • (0 reviews)
      # sp117270
      Exhaust Pipe Flange Gasket 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 is manufactured...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $0.80 - $8.85
    • (0 reviews)
      # sp122548
      Manifold Conversion Plate by Pioneer Automotive®. By having own manufacturing facilities Pioneer Automotive® can guarantee the best quality in the market with the most competitive cost structure. Their OEM facilities help maintain the...
      Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions
      $30.56
    • (0 reviews)
      # sp27212
      Professional™ Oxygen Sensor Connector by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s Professional Oxygen Sensors help....
      ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor
      $7.08 - $35.79
    • (0 reviews)
      # sp27975
      Oxygen Sensor Connector by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $15.41 - $80.22




    The Hummer is the embodiment of America’s auto power, and that applies to every Hummer model ever made. This sweeping assumption is also the perfect excuse to pump up some extra power from your Hummer H1 engine, with the help of a brand new custom exhaust system. Buy top quality Hummer H1 aftermarket exhaust systems from CARiD, leading certified dealer of all the major performance exhaust brands in the country. Far superior in quality to the H1 stock exhaust system and all resultant OEM exhaust systems, custom Hummer H1 exhaust systems are designed to boost engine efficiency by increasing exhaust scavenging. From its design to the way exhaust components are individually constructed and eventually joined together, the H1 custom exhaust system enforces streamlined efficiency in exhaust flow right from the engine cylinders through the exhaust manifold and into the exhaust pipes. With all the waste gases out of the way, clean air and fuel mixture can effectively make its way into the engine where the power generation process takes place. All this adds up to greater horsepower and torque boosts.

    With the right exhaust system for your H1 specifications, you can expect an additional 25hp and more or less the same amount of torque as an extra. Still, it is possible to push this increment to 60hp or more by installing a performance header. Take your pick from Borla, Gibson and Flowmaster, three among America’s leading performance parts manufacturers. For complete Hummer H1 performance exhaust systems, we have Borla, Corsa, Flowmaster, MagnaFlow, Gibson, and aFe cat back exhaust systems. Each of these exhausts is designed and tuned for each specific H1 model specifications. Only buy the exhaust system designed for your model and specifications in order to get the most satisfactory results. Hummer H1 custom exhaust systems have a bold and aggressive tone, which goes well with the H1 body.

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    Guides & Articles

    Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

    • Performance Exhaust Systems
      October 05, 2018
      Repair vs Performance Parts | Exhaust Systems
      Whether you need an exhaust system because your vehicle's old pipes have rusted through or become damaged, or you simply want a better one to boost engine performance...
      by Richard Reina
    • Automotive Tools
      August 30, 2017
      What Special Tools Are Available For Exhaust...
      Exhaust work can be challenging. Old parts are usually corroded and difficult to separate, and new ones sometimes need minor fitment adjustments during installation....
      by Timothy Zahl
    • Performance Exhaust Systems
      May 17, 2016
      Here's A 'Tip': Exhaust Tips Are An Easy Way To...
      Performance exhaust systems give you improvements in power output, sound levels, and appearance, all in one package. But let's face it: not everyone has the spare...
      by Michael Grayen
    • Performance Exhaust Systems
      August 18, 2015
      Are Headers Worth The Performance Improvement?
      Engines have often been compared to air pumps, because the engine that’s most efficient in terms of economy and power is the one that can get air in and out of its...
      by Michael Grayen
    • Performance Exhaust Systems
      August 18, 2015
      Are X-pipes and H-pipes Better Than Straight...
      You may be wondering why so many aftermarket performance exhaust system manufacturers are offering dual exhaust systems connected by "H-pipe" or "X-pipe" sections....
      by Timothy Zahl
    • Performance Exhaust Systems
      August 17, 2015
      Power, Sound, Looks | Can I Have It All With a...
      It's an age-old question that many have asked. Will an aftermarket exhaust be worth the expense? While they definitely can be, an important question to ask yourself is...
      by Timothy Zahl
    • Bed Accessories
      April 17, 2015
      Pickup Truck Cab And Bed Sizes Are Important...
      Americans love to have choices. Buying a dress shirt? Decide solid or stripe, short or long sleeve, cotton or poly blend, button or spread collar, regular fit, slim...
      by Timothy Zahl
    • Replacement Exhaust Parts
      August 01, 2014
      Direct Fit vs. Universal Mufflers
      Regardless of whether you're shopping for a simple replacement muffler that delivers original equipment (OE) sound and performance or an upgraded muffler which...
      by Michael Grayen

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    Hummer H1 Performance Exhaust Systems Reviews

    Average rating:    4 - 3 reviews
    4.5 of 5
    Kooks
    Product very good. Love it.
    Posted by Jojie Menor (Mississauga, ON) / August 8, 20182010 Toyota Corolla
    Was this review helpful for you? YesThis review was helpful for 1 user!
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