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Chrome Sport exhaust tip question

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Hi Loren and all,

I had the chrome 4-pipe sport exhaust tips installed on my 2002 Carrera C2 last week and they look great. However as you may know, the pipe leading into the chrome tip has a crimp in it at the bend. Although this crimp looks like a flaw or damage from shipping, it is indeed "designed" this way.

My question (and I have searched the forums without luck) is this: the crimp appears to restrict the airflow over the stainless steel oval tips that I had removed, which doesn't make sense (why would Porsche engineers want to restrict exhaust flow at that point????). Do you know what the purpose is of these crimps to the pipes? Do they negatively affect performance (my impression is that the car has to work harder now for the same performance)? :(

Your input would be greatly appreciated!


Edited by Porsche_Ron
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Ok. Here's a picture of the crimp in the exhaust pipe. It appears necessary for the pipe to clear the other section of the exhaust (pipe from the cat to the muffler).

Does this crimp adversely affect the flow of exhaust (increase of back pressure) to the detriment of performance, or am I worrying about nothing?


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