thanks, like changing the car's exhaust wouldn't speeds like muscle car![](images/smilies/default/titter.gif)
its so fretful that the exhaust sound drag for so long and you would expected the car had accelerated leaving you at dus ...
smcorange 發表於 2016-4-25 08:08 AM ![](http://www.tvboxnow.com/images/common/back.gif) the engine firing order makes the sound difference. that's why a ferrari v8 sounds different compare to american muscle car |