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BMW 320 exhaust modification Mistakes

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BMW F30 F35 of 328,320 exhaust all use a double-sided single out most of the owners of our forum, this style of exhaust in style, noise performance can not meet the owner's needs. So many owners want to modify the exhaust, but do not know where to start. Often spend tens of thousands of money out of the car out of the low torque high rotational force of all the losses, increased fuel consumption, emissions increase, not worth the candle.
Every day there are many of my friends asked me what I changed the exhaust 320 is good, 328 exhaust what is good. I always want to take the trouble to patiently explain the principles of the exhaust, really I am a little headache. . .
I'll let you use my relatively understandable language, which allows us to understand the working principles of the exhaust, and some simple misunderstanding.
1: Sound
Exhaust is not a sound player, he does not rely on electronic MP4 format and things to play the sound. Can cause the sound level is nothing more than the gas, the gas will determine how much exhaust decibels. Exhaust gas is produced after the engine work, reasonable and smooth discharge of waste can effectively improve the "restore" the power of the engine itself, so as to enhance acceleration forces. The thickness of the exhaust pipe, pipeline design, the tail drum resistance will directly affect the exhaust noise. Some well-known manufacturers will exhaust modification to adjust the sound according to the tail pipe and drum, thus changing the exhaust noise (tuner), the shorter the length of the exhaust sound will be louder, so the same displacement cars but steel ring gun, the same displacement after the pre-performance super car can not ring home run. Since the modification will affect the amount of power the engine exhaust, so the exhaust sound will change. In the BMS 328 TMC exhaust gas after opening and installing the sound becomes loud.
About swap low torque, if a lot of people still do not understand, I will use the most simple way to explain this problem. In fact, the operation of the engine at the time, there will be a mixed gas and oil composition of air entering the cylinder, the cylinder to ignite the power to appear. If the exhaust is too smooth, has not been ignited gas mixture is discharged directly, so the fuel consumption on the rise, and this drop of oil can not become the driving force, so we lost torque.

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Comments BMW 320 exhaust modification Mistakes

Since the modification will affect the amount of power the engine exhaust, so the exhaust sound will change. In the BMS 328 TMC exhaust gas after opening and installing the sound becomes loud.
http://www.rajendrapipes.com http://www.rajendrapipes.com 21/11/2017 at 14:25

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