Not exactly sure what to search on, so posting the question.

The real nice "burbble"........as-I-call-it.....while the car is warming up, especially with the X-Pipe on. Two questions.

1) What is "activated" during that cycle time? (That great sound before the car quites down to normal idle)

2) Whatever "it" is, can it be defeated so-as to be in that mode at all times to enhance the overall exhaust note. (It exactly reminds me of my 996 w/PSE when I had it, and just a tad louder).

 

The car is in open loop and is running rich to warm the cats quickly, you could be hearing unburned fuel popping in the exhaust system.

Dave

 

the car at a cold start up sounds awesome....the cats are cold and once they heat up your idle will be at a lower rpm and not as loud

 

Guys......thanks. (Makes sense........) Was curious.

 

its the air pump dammit

 

Dammit??

OK...its this in addtion to the open loop and the rich mixture.

Dave

 

Sorry, sounded funnier in my head. Remember eddie murphy in the gumby suit from SNL?

 

This is correct.

 

Ahh, now its funny

Classic...