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cargraphic muffler and vibration


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hello. 986 my 2004. i just replaced my muffler with the cargraphic one for boxster 2.7/3.2, and noticed vibration in the steering wheel and even in the doors at idle and when i just touch the throttle to start moving. once moving, no vibration and just nice deep sporty sound from the new exhaust. is this vibration normal? can i somehow get rid of it or does it come with the sport exhaust as a bonus? thanks

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hello. 986 my 2004. i just replaced my muffler with the cargraphic one for boxster 2.7/3.2, and noticed vibration in the steering wheel and even in the doors at idle and when i just touch the throttle to start moving. once moving, no vibration and just nice deep sporty sound from the new exhaust. is this vibration normal? can i somehow get rid of it or does it come with the sport exhaust as a bonus? thanks

probably resonance from the muffler giving it the vibes..

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Is your car a Tiptronic? If so the mufflers need to have a flex joint, or corrugated section in them. Others have found if they put a straight connect muffler on a Tip then vibration comes into the car when in gear at idle. Goes away once under way.

yes. it is a tiptronic. so i guess it is not a big deal. what is a flex joint? if its inside the muffler, then nothing i can do about it. i can only feel the vibration when i am in gear in idle and when i just step on the accelerator a bit, thats when it comes out very noticable. once under way it is gone.

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Is your car a Tiptronic? If so the mufflers need to have a flex joint, or corrugated section in them. Others have found if they put a straight connect muffler on a Tip then vibration comes into the car when in gear at idle. Goes away once under way.

yes. it is a tiptronic. so i guess it is not a big deal. what is a flex joint? if its inside the muffler, then nothing i can do about it. i can only feel the vibration when i am in gear in idle and when i just step on the accelerator a bit, thats when it comes out very noticable. once under way it is gone.

It should look like this with the accordion on the incoming side.

post-20662-1242060267_thumb.jpg

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got it. thanks. mine is a direct one to one replacement of the stock muffler. same straight pipes like on the stock muffler. same fitting etc. cargraphic has plenty of photos of the boxster sports muffler on their site. none seems to be offered with flex joints.

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