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Exhaust Systems

The exhaust system refers to the mechanism which conveys the burnt gases from an internal combustion engine and typically includes a collection of pipes. In the most basic sense, the exhaust system just vents waste gases from the engine. more...

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Depending on the overall system design, the exhaust gas may flow through a turbocharger to increase engine power, a catalytic converter to reduce air pollution, and a muffler to reduce noise.

Terminology

Manifold or header

In most production engines, the manifold is an assembly, often cast iron, designed to use the least metal (for the lightest weight) and to occupy the least space necessary to collect the exhaust gas from multiple cylinders and combine those flows into a single pipe. The weight and space restrictions often result in a design that does not do the most efficient job of venting the gases. For example, pressure waves generated by gases emerging from one cylinder may arrive at another cylinder at a point in time that prevents that second cylinder from purging as completely as it might.

A header is another name for a manifold, but refers to an enhanced manifold for which the engineering parameters have been shifted from concentrating on weight and size to concentrating on the optimal flow of the exhaust gases, a process called scavenging the exhaust from the cylinders more thoroughly. Headers are generally circular steel tubing with bends and folds calculated to make the paths from each cylinder's exhaust port to the common outlet all of equal length, and joined at narrow angles to encourage pressure waves to flow through the outlet and not backward up other pipes toward other cylinders. In a set of tuned headers the pipe lengths are carefully calculated to enhance exhaust flow in a particular engine RPM range.

Header-back

Header-back (or header back) refers to the portion of the exhaust system from the outlet of the header to the final vent to open air— everything from the header back. Header-back systems are generally produced as aftermarket performance systems for cars without turbochargers.

Read more at Wikipedia.org


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Toyota 00 - 05 Mr2 Spyder Zzw30 Catback Exhaust SystemToyota 00 - 05 Mr2 Spyder Zzw30 Catback Exhaust System $359.00 Chevy Cavalier / Sunfire 95-03 Catback Exhaust System Chevy Cavalier / Sunfire 95-03 Catback Exhaust System $159.95
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Nissan Skyline Gt-R R33 Catback Exhaust System 95-98 Nissan Skyline Gt-R R33 Catback Exhaust System 95-98 $269.95 Greddy Pe2 Exhaust Acura Integra Gsr 70mm Turbo 2.75"Greddy Pe2 Exhaust Acura Integra Gsr 70mm Turbo 2.75" $299.00
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96 97 98 99 00 Honda Civic 3Dr Hb N1 4" Catback Exhaust96 97 98 99 00 Honda Civic 3Dr Hb N1 4" Catback Exhaust $125.00 Obx Turboback Turbo Exhaust 01-05 Duramax Sierra 6.6LObx Turboback Turbo Exhaust 01-05 Duramax Sierra 6.6L $299.00
Flowmaster Exhaust Cat-Back Ford Mustang Gt 87-93 5.0LFlowmaster Exhaust Cat-Back Ford Mustang Gt 87-93 5.0L $299.95 Edelbrock Exhaust Cat-Back Firebird/Camaro 86-92Edelbrock Exhaust Cat-Back Firebird/Camaro 86-92 $369.95
S13 180Sx Ca18Detjdm Top Mount Turbo Exhaust ManifoldS13 180Sx Ca18Detjdm Top Mount Turbo Exhaust Manifold $129.95 3" Turbo Back Catback Downpipe Subaru Impreza Wrx Sti3" Turbo Back Catback Downpipe Subaru Impreza Wrx Sti $132.00
Lexus Is250 Is350 06 07 08 09 60mm Dual Exhaust SystemLexus Is250 Is350 06 07 08 09 60mm Dual Exhaust System $499.95 Catback Exhaust Bmw E36 92-98 325i 328i Stainless T304Catback Exhaust Bmw E36 92-98 325i 328i Stainless T304 $130.00
Exhaust Intake piping kit tubing mandrel bend 1.75"Exhaust Intake piping kit tubing mandrel bend 1.75" $48.95 Nissan 08-09 Altima Coupe Dual Catback Exhaust SystemNissan 08-09 Altima Coupe Dual Catback Exhaust System $549.95
Nissan 300Zx 90-96 2+2 Catback Exhaust System Z32Nissan 300Zx 90-96 2+2 Catback Exhaust System Z32 $389.95 Dodge Neon 00-04 TopSpeed Pro-1 Rear Section ExhaustDodge Neon 00-04 TopSpeed Pro-1 Rear Section Exhaust $169.95
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Prices current as of last update, 11/20/09 5:46pm.

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