Function of the non-standar exhaust

In my post today, I will give a knowledge of the functioning of non-standard muffler or exhaust noise :D.. both negative and positive impacts,
   1 ----- 2 ----- 3 look at his writings! :
~ ~ Positive Impact
1). Acceleration of the motor will increase (if you select the right exhaust and quality).
2). Just so you know, non-standard exhaust can prolong the lifespan of the engine that we use with a note: CHOOSE THE RIGHT EXHAUST!
3). RPM will feel the pull of malignant and can make a bike heading to the front,
4). Top speed will increase drastically when the carburetor or injection set right and good.
~ ~ Negative impact
1). If you select the wrong exhaust, there will be fire piston and valve, so that the pistons and valves will burn.
2). Once again, if you choose the wrong exhaust .. motorcycle engine piston will be short lived and easy to wear.
3). If used in the city, non-standard exhaust is usually very noisy and can make everyone on the road and at home will be very annoying,, the most severe, all the people who bothered to be angry and hit you .. hahaha (just kidding) ... :D

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Soooo, of all the above effects, it is conceivable that non-standard exhaust is very dangerous but also has benefits .. so, it's all up to you. whether to buy a non-standard exhaust (aftermarket) or fixed at the factory-made exhaust (standard)? it's your choice ~