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A new aftermarket exhaust system will turn your Hummer H2 SUT into the super power horse it was built to be. Custom exhaust systems for the H2 SUT work by increasing exhaust flow to the maximum level and velocity possible. This eliminates any stagnation previously experienced with a stock or OEM exhaust systems, leaving the engine free to breathe and process fresh air-fuel more efficiently. What you get is more horsepower and torque, and improvement in overall vehicle performance. CARiD carries the best quality custom exhaust systems for the H2 SUT. All our exhausts are sourced from America’s top performance parts manufacturers and are individually tested for performance and reliability. Choose the exhaust system that is custom built for your specific H2 SUT year and model in order to get an exact fit. The right exhaust system for your truck will also yield the greatest increases in horsepower.

Complete cat back exhaust systems give unmatched overall car efficiency and are the best option to go for when you need to boost all areas of the engine’s operations, not just horsepower. Borla, MagnaFlow, Flowmaster and Gibson exhausts will give you up to 10% extra power and torque. To enjoy an extra 25hp or more, combine the exhaust system with one or two performance headers from these same brands or RBP, MBRP, Weapon-R, Onki or Zunden. Fuel efficiency is one other improvement you will appreciate because with it comes greater fuel mileage. The Hummer H2 SUT custom exhaust sound is nothing close to what the stock exhaust system sounds like. Its rumble is distinctly throaty and does not get noisy with speed as most stock exhaust do. It also does a good job blocking resonance from penetrating into the cabin, making the truck appealingly quiet inside.

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    Guides & Articles

    • Performance Parts
      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 cylinders the easiest. That’s why most performance modifications like conical air filters, cold air intake systems, headers, and cat-back exhaust systems are aimed at making the intake and exhaust systems less restrictive. These parts increase the flow of air into the engine and ease the flow of exhaust gas out of the engine. Among these components, headers may be the most difficult to install. In this article, we’ll discuss what headers do, their different types, and how much performance they can add to your car.
    • Performance Parts
      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. After all, aren't two separate pipes, or so-called "true duals", the best for performance? The answer is no, but to understand why we have to examine how a typical internal combustion engine works.
    • Performance Parts
      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 do you care more about the deeper sound they’re designed to produce, or the added performance gained from being less restrictive? As car enthusiasts, we’ve become accustomed to associating the sound of a car with its exhaust. After all, doesn’t everyone have a childhood memory or two of a car and the particular sound it made?
    • Performance Parts
      Regardless of whether you're shopping for a simple replacement muffler that delivers original equipment (OE) sound and performance or an upgraded muffler which provides a deeper growl with increased power through freer exhaust flow, you'll see choices between "direct fit" mufflers and "universal" mufflers. In this article, we'll help you understand the differences between these two styles so you can make a more informed purchase.

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