| If you are looking for power and
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| | Small block headers usually use 1-5
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| performance from your vehicle, consider
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| | 8-inch primary tubes and big-block
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| upgrading to new exhaust headers. In my
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| | headers use 1-3/4-inch tubes. An
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| opinion, replacing stock headers is for
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| | important consideration when choosing
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| more beneficial than modifying your
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| | headers is quality of materials. Header
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| intake or muffler.
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| | tubing vary in thickness, but a good
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| An exhaust header is an after market
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| | quality header should use between
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| automotive part designed to improve
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| | 18-gauge and 14-gauge tubing. The metal
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| vehicle performance. The small gain in
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| | used in the header is also important.
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| performance facilitated by an exhaust
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| | Some headers are mild-steel, which will
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| header is important to high performance
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| | rust and corrode over time. Headers can
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| drivers who often make other
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| | be coated, either with a ceramic coating
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| modifications to their vehicles in order
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| | or a high-temperature paint. Using 100%
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| to increase speed. These modifications
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| | stainless steel construction eliminates
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| include the installation of larger intake
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| | the need for coatings, but it is usually
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| vents for the engine. An exhaust header
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| | out many buyer's budgets. When headers
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| modifies the exhaust system to prevent
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| | are shipped, they sometimes come painted.
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| back pressure, meaning that the cylinders
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| | Be aware that this coating is only for
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| do not have to work as hard to push
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| | rust prevention during shipping, and the
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| exhaust out as they do in a traditional
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| | paint will not hold up to the heat once
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| system. There are different types of
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| | the header is installed. When headers are
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| exhaust headers depending on the needs of
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| | added along with a cat-back exhaust and
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| the drivers, with some tuned for low
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| | high-flow catalytic converter, you can
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| performance and others aimed at high
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| | usually gain 20-30 horsepower over stock.
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| performance on the open road.
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| | In some cases, an exhaust header can be
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| In a conventional exhaust system, after
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| | tuned to pull at the exhaust valve of the
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| the cylinders combust, they push the
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| | next cylinder and suck the exhaust out,
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| exhaust out into the exhaust manifold,
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| | meaning even less work for the cylinder.
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| which routes the exhaust out of the
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| | Drivers who desire more power for around
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| vehicle through the exhaust pipe.
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| | town driving and better acceleration
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| However, the exhaust manifold can create
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| | under a heavy load usually opt for a low
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| a back pressure which pushes against the
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| | performance exhaust header, while drivers
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| cylinder, meaning that it has to exert
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| | who are looking for speed on the open
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| more energy to push the exhaust out and
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| | road prefer high performance headers.
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| prepare for the next firing. As a result,
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| | A variety of manufacturers make exhaust
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| some efficiency can be lost.
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| | headers for a dizzying assortment of
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| An exhaust header works differently,
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| | vehicles, and it is important to install
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| essentially creating a miniature exhaust
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| | the exhaust header designed for your car.
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| pipe for each cylinder and routing the
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| | Because exhaust leaks can be dangerous,
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| exhaust to a centralized collector which
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| | the exhaust header should be installed
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| is much larger. The pipes of an exhaust
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| | with care, or professionally if there is
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| header are bent to fit under the hood and
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| | any uncertainty. An improperly installed
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| cut to the same length so that the
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| | header could lead to an exhaust leak
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| exhaust gases will arrive sequentially in
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| | which vents into the cabin of the
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| the collector as each cylinder fires.
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| | vehicle, causing symptoms of carbon
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| This eliminates the back pressure problem
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| | monoxide poisoning in the driver and
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| and allows the cylinders to operate more
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| | passengers.
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| effectively.
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| | I currently have my Pacesetter headers
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| Aftermarket headers can be bolted in
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| | paired with a Basani Y Pipe for a
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| place of the stock cast-iron headers.
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| | combined gain of 23 hp!
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