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  2. Exhaust system - Wikipedia

    en.wikipedia.org/wiki/Exhaust_system

    The Turbo-back (or turbo back) is part of the exhaust system from the outlet of a turbocharger to the final vent to open air. Turbo-back systems are generally produced as aftermarket performance systems for cars with turbochargers. Some turbo-back (and header-back) systems replace stock catalytic converters, while others have less flow restriction.

  3. Tuned exhaust - Wikipedia

    en.wikipedia.org/wiki/Tuned_exhaust

    A 4-2-1 exhaust system is a type of exhaust manifold for an engine with four cylinders per bank, such as an inline-four engine or a V8 engine. The layout of a 4-2-1 system is as follows: four pipes (primary) come off the cylinder head , and merge into two pipes (secondary), which in turn finally link up to form one collector pipe.

  4. Muffler - Wikipedia

    en.wikipedia.org/wiki/Muffler

    Silencer (silver) and exhaust pipe on a Ducati motorcycle A silencer cut open to show the insulation, chambers and piping inside the shell. A muffler (North American and Australian English) [1] or silencer (British English) is a device for reducing the noise emitted by the exhaust of an internal combustion engine—especially a noise-deadening device forming part of the exhaust system of an ...

  5. Glasspack - Wikipedia

    en.wikipedia.org/wiki/Glasspack

    This lower flow but slightly quieter design approach is commonly used in glasspack mufflers. Some modern muffler designs are similar in principle to the glasspack, but use more sophisticated sound-absorbing materials such as stainless steel mesh, and more advanced acoustic engineering, reducing noise while retaining the power-preserving ...

  6. Engine tuning - Wikipedia

    en.wikipedia.org/wiki/Engine_tuning

    Vintage engine testing equipment that can test ignition timing, ignition dwell, manifold vacuum and exhaust emissions. Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability. These goals may be ...

  7. Exhaust manifold - Wikipedia

    en.wikipedia.org/wiki/Exhaust_manifold

    When the exhaust valve opens, the high pressure exhaust gas escapes into the exhaust manifold or header, creating an "exhaust pulse" comprising three main parts: The high-pressure head is created by the large pressure difference between the exhaust in the combustion chamber and the atmospheric pressure outside of the exhaust system

  8. Automotive aftermarket - Wikipedia

    en.wikipedia.org/wiki/Automotive_aftermarket

    The automotive aftermarket is the secondary parts market of the automotive industry, concerned with the manufacturing, remanufacturing, distribution, retailing, and installation of all vehicle parts, chemicals, equipment, and accessories, after the sale of the automobile by the original equipment manufacturer (OEM) to the consumer.

  9. HKS (company) - Wikipedia

    en.wikipedia.org/wiki/HKS_(company)

    HKS Toyota GR86 with the HKS "Oil Slick" livery at the 2022 Osaka Auto Messe. HKS Co., Ltd. (株式会社エッチ・ケー・エス, Kabushiki-gaisha Ecchi Kē Esu) is a publicly traded company headquartered in Fujinomiya, Shizuoka Prefecture, Japan specializing in the engineering, manufacturing, and sales of high performance aftermarket and accessory automotive parts and components.