同时，假如要改动汽车的排气系统，要选用静音喉，切忌选用响喉。

In the meantime, if want to change the automobile exhaust system, should choose mute larynx, avoid by all means is choose ring.

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中至尾排气喉，R77D新款双咀碳纤维设计。

R77D 3/4 slip-on exhaust system. New design double exit.

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中至尾排气喉，R77D新款双咀碳纤维设计。

R77D 3/4 slip-on exhaust system. New design double exit.

youdao