poping sound from engine to whole exhaust pipe, when hot

I notice recently, after 30 minutes highway drive home, turn off the engine, I hear poping noise all the way from engine to the end of exhaust pipe, the sound are common hear from engine compartment when a car just parked. anything wrong?

car is 8 years old and has 65k miles.

Thanks in advance.

所有跟帖： 

• 很奇怪，關了發動機還有聲音？你肯定車底下沒有個活物在4蹄亂蹬？ -寶驢車主- ♂ (0 bytes) () 04/01/2011 postreply 08:58:48

• what kind of poping sound? loud or just like clicking? -biglow- ♂ (93 bytes) () 04/01/2011 postreply 09:02:56

• 多半是停車後,底下劈劈啪啪的熱脹冷縮的聲音.我一天到晚聽這個 -滿地找牙- ♂ (0 bytes) () 04/01/2011 postreply 09:27:54

• 你又對了. -我胡說八道- ♂ (0 bytes) () 04/01/2011 postreply 11:23:12

• 胡說八道~~ -滿地找牙- ♂ (13 bytes) () 04/01/2011 postreply 11:44:20

• like 滿地找牙 said, 劈劈啪啪聲音, thought it might run rich, extra gas bur -hyc- ♀ (757 bytes) () 04/01/2011 postreply 11:34:12

• 回複：poping sound from engine to whole exhaust pipe, when hot -qw6467- ♂ (591 bytes) () 04/01/2011 postreply 17:25:47

• 回複：回複：poping sound from engine to whole exhaust pipe, when hot -hyc- ♀ (141 bytes) () 04/01/2011 postreply 21:45:56