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Buy mini bike stinger parts from OMB Warehouse. This small but critical part plays a vital role in the smooth performance of the engine and the mileage got from the bike. When an engine is running, there is a general rise in pressure in the chamber caused by deliberately restricting the outlet with a small tube called the stinger, which acts as a bleeder, emptying the chamber during the compression/power stroke to have it ready for the next cycle. The stinger's length and inside diameter are based on 0.59 to 0.63x the header pipe diameter and its length is equal to 12 times its diameter, depending on the results to be achieved. In a well designed tuned exhaust system, the total increase in pressure is in any case much less than the one produced by a muffler. An erroneous sizing of the stinger will lead either to poor performance (too big or too short) or to excessive heat (too small or too long) which will damage the engine. Hence, you must get the specifications of the stinger parts right before fitting them in your mini bike. Unleash the power of your engine with a Stinger Exhaust Header pipe from OMB Warehouse.