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Exhaust Performance - SnowmobileHelping an engine breathe easier can help free up additional horsepower. An exhaust for performance snowmobile will allow the engine to efficiently expel exhaust gases, which in turns helps the engine to draw in more fresh air/fuel mixture. The result can be an increase in horsepower, torque, and overall snowmobile performance.
Example of a 2 Stroke Snowmobile Performance Exhaust The 2 cycle snowmobile engine typically responds more dramatically to a good performance exhaust system. Because most performance 2 stroke engines use a tuned pipe exhaust design with an expansion chamber, it is possible to modify the shape and lengths of the expansion chambers to help tune the engine for different RPM ranges. Tuned pipes provide a scavenging effect that help to suck out burned exhaust gases from the cylinder, which in turn results in the fresh mixture being drawn into the engine. Reflected shock waves in the expansion chamber return back through the tuned pipe and to the exhaust port, and there they help to stuff the fresh air/fuel mixture back into the cylinder, so that it doesn't escape out the exhaust pipe. In a way, a snowmobile exhaust for 2 cycle engines works to suck out exhaust gases while at the same time pushing back fresh air/fuel mixture. It's a balancing act. The shape of the expansion chamber and length of the exhaust pipes will affect (tune) the place where maximum power is achieved by the engine. Performance exhausts for 2 cycle snowmobile engines will often raise the powerband higher up in the RPM range where the engine can produce more power. As a result, a dramatic increase in power is possible on 2 stroke snowmobiles. Increases from 15-30HP are possible for big bore 2 stroke snowmobile engines!
Example of a 4 Stroke Snowmobile Performance Exhaust Snowmobiles with 4 cycle engines respond differently to exhaust changes. Don't expect to gain as much power when adding a performance exhaust system as compared to a 2 cycle engine. By the nature of the way a 4 cycle engine operates, a 4 stroke snowmobile will not respond as dramatically to a performance exhaust system. That doesn't mean that you can't gain some performance from an aftermarket 4 stroke snowmobile exhaust, but it will usually be a modest increase in power along with a reduction in weight. This combination an boost overall performance of your sled. Whether you have a 2 or 4 stroke snowmobile, upgrading the exhaust can help increase the performance of your snowmobile. If you have a 2 cycle snowmobile, then expect a more dramatic change in performance. An exhaust for performance snowmobile can give your sled a more aggressive sound, free up additional horsepower & torque, and increase the overall fun factor of your snowmobile.
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High Performance Snowmobile Exhaust
