Question 2: change the vertical exhaust pipe, big noise!

Problem Index: ★★★★

       Car crash incident: Ma easy way to change the car straight row, that came out from the exhaust manifold, remove the catalyst section and tail row, directly to the exhaust gas into the air,clio 1.5 dci turbocharger the effect of such emissions is good, but a lot of noise. Ma said: When the car driving more obvious sense of shock, "just like a bouncing car ride." In addition, there is no exhaust gas after treatment straight row will cause serious pollution, which is the exhaust pipe modification errors.

       Expert analysis: an excellent exhaust pipe design takes considerable cost to complete. In the engine does not make a substantial modification of the premise, only to replace the exhaust pipe, in effect, is not very obvious. Nowadays, many people still in the tail section to replace the exhaust, catalytic converters will be removed, it would increase emissions, environmental standing position we oppose this practice. In addition, the choice of the exhaust pipe, the size of the silencer tube is one of the key. Generally, the larger the barrel silencer for noise control is also ideal, on the contrary, the smaller cylinder exhaust noise silencer will bigger, but also with noise suppression exhaust pipe material, pipe barrel design and silencer cotton material are closely related.

       In addition, some owners believe that the installation of a large diameter of the exhaust pipe and the amazing noise, the vehicle will run faster, this is a misunderstanding, replace the exhaust pipe for the power boost can be said to be minimal, especially for some small-displacement naturally aspirated car. In contrast, scenic 1.5 dci turbocharger large diameter exhaust tail pipes have considerable impact on the loss of low-speed torque, but more smoothly at high speeds to improve the exhaust of power is helpful.

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