lerico

原帖由 Traum 於 2008-3-16 10:11 發表

Straight through muffler is still a muffler. And it says pipes or chambers, so unless there is no pipe AND chamber at all, the law is being adhered to. The only thing that remains now is the excessiv ...

Ar lik gor... straight through muffler is "straight through" ... so it doesn't consist of "a SERIES of pipes or chambers which ensures that the exhaust gases from the engine are cooled and expelled without excessive noise" ...

so those group N mufflers that do not consist of any bents INSIDE the muffler are definitely not to be considered as muffler with a SERIES of pipes or chambers.