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A performance exhaust system gives you the best bang for your accessory buying buck, because it appeals to so many of your senses. When you stomp on the gas and get pushed back against the seat, you can feel the increase in power. You can see the highly polished stainless steel tip and admire the way it complements your ride’s styling. And you get a deep, visceral feeling when you hear the exhaust note’s rumble that turns into a roar when you accelerate.


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Some of the exhaust systems we have include an H-pipe or an X-pipe, because adding such a pipe to a dual exhaust system has been proven to unleash more horsepower. When two close firing cylinders are exhausting on one cylinder bank, nothing is happening in the other bank, so connecting both pipes effectively enlarges the exhaust system, allowing these exhaust pulses to exit through both sides of the system. Exhaust flow is increased because both cylinder banks make use of both sides of the exhaust system, and increased exhaust flow equals more power.

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Each of the systems we offer has been designed using flow benches and dynos to determine the best way to reduce restriction and improve exhaust flow, for more power. While muffler designs may differ, all of our exhaust pipes are mandrel bent. Mandrel bending ensures smooth bends and maintains tube size and shape throughout the entire length. Tubes that aren’t mandrel bent can lose a percentage of their diameter in sharp bends, which creates restriction.

Sound is just as important a factor in an exhaust system purchase as increased power. That’s why each of our systems has been tested to make sure you get just the right exhaust note, so you’ll enjoy getting behind the wheel. Performance and sound are essential, but an exhaust system also has to be made of quality materials so it will last. All of our systems come in stainless steel or aluminized steel, for long lasting durability. Each includes stylish exhaust tip(s), usually made from stainless steel and highly polished for visual effect, but if you prefer something different, check out our selection of exhaust tips.

Most of the exhaust systems on our digital shelves are “cat back” systems, meaning they include everything to replace the exhaust system behind the catalytic converter. This means your emissions system will be unaffected and your vehicle will still pass a smog check. However, if you do ever need to replace your catalytic converter, we can offer you a performance option that will properly reduce emissions, but with increased exhaust flow compared to your original factory converter. These converters have a monolithic honeycomb catalyst designed for maximum flow, and smoother flowing inlet and outlet joints.

If you want to go even further to reduce exhaust restriction and gain power, then consider installing headers. Headers replace the factory exhaust manifolds, which usually flow poorly. An exhaust header has individual tubes for each exhaust port, allowing each exhaust pulse to flow unobstructed from the cylinder head. All tubes meet in a larger tube called a collector. The tubes on headers are usually larger in diameter than the runners on an exhaust manifold and the tubes are mandrel bent for gradual radius bends, which reduces restriction and increases exhaust flow.

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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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Exhaust Systems Reviews

Average rating:  4.5  4.7 - 1259 reviews
Read All Performance Exhaust Systems Reviews
5 of 5
2004 BMW 5-Series / Posted by Matthew R (Milford, OH) /

Sound of this exhaust system is amazing. No problems with installation process. I would recommend to any BMW owner Dinan exhaust upgrades. It gives a very nice look to my car, also a lot more power, i'm very excited with purchase.

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