The Performance of Motorcycle Exhausts
Motorcycle exhaust functions in the same way as car exhaust. Each system allows the engine to breathe by releasing waste exhaust gases out of a tailpipe. Aftermarket motorcycle exhaust increases engine performance, enhances sound and increases fuel economy.
Components & Function
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Motorcycle exhaust includes all the major components of a car exhaust, but in a condensed format because of the reduced vehicle size. Header pipes secure to the engine cylinder ports where exhaust first exits the combustion chamber. The gasses then run down a mid-pipe before entering into a catalytic converter, muffler and tailpipe. Motorcycles use slip-on exhausts after the mid-pipe, which includes the catalytic converter, muffler and small tailpipe in one component. Slip-ons may be made of aluminum, chrome, carbon-fiber or stainless steel.
Engine Performance
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Exhaust flow and velocity affects engine performance. Piping diameter controls the rate of gas flow and velocity. Small piping may constrict flow, which decreases top-end engine power and fuel efficiency
. Large piping increases flow but reduces velocity, which reduces torque. Aftermarket manufactures find the balance between flow and velocity for optimal motorcycle performance gains.
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Backpressure
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Backpressure occurs when exhaust returns into the engine because of piping obstructions or sizing issues. Backpressure suffocates the engine, reducing power and fuel efficiency.
Read more: The Performance of Motorcycle Exhausts | eHow.com http://www.ehow.com/facts_7708382_performance-motorcycle-exhausts.html#ixzz2Ex9QeVrJ
Components & Function
- Motorcycle exhaust includes all the major components of a car exhaust, but in a condensed format because of the reduced vehicle size. Header pipes secure to the engine cylinder ports where exhaust first exits the combustion chamber. The gasses then run down a mid-pipe before entering into a catalytic converter, muffler and tailpipe. Motorcycles use slip-on exhausts after the mid-pipe, which includes the catalytic converter, muffler and small tailpipe in one component. Slip-ons may be made of aluminum, chrome, carbon-fiber or stainless steel.
Engine Performance
- Exhaust flow and velocity affects engine performance. Piping diameter controls the rate of gas flow and velocity. Small piping may constrict flow, which decreases top-end engine power and fuel efficiency. Large piping increases flow but reduces velocity, which reduces torque. Aftermarket manufactures find the balance between flow and velocity for optimal motorcycle performance gains.
Backpressure
- Backpressure occurs when exhaust returns into the engine because of piping obstructions or sizing issues. Backpressure suffocates the engine, reducing power and fuel efficiency.
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