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E81 conversion

mbagge01
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mbagge01 Member

mbagge01

Posted
Posted

I have a question for anyone who has performed the E81 conversion on a 955 turbo cayenne. I have a 2003 cayenne turbo with tune and larger intercoolers and wanted to find out if the turbo S intake and throttle body is a direct bolt on to my car, or are there special modifications needed.

hahnmgh63 Member

hahnmgh63

Posted
Posted

I think the Turbo S intake manifold and throttle body are the same as 2003~2006 regular Turbos.  As far as the engine is concerned, I'm pretty sure the Turbo S only got the bigger Intercoolers and different ECU (factory Tune).

bigbuzuki Member

bigbuzuki

Posted
Posted

The IE81 conversion as per TSB 1001 does not require the throttle body or the air intake to be replaced.

As for the induction changes, only the intercoolers and charge pressure pipes are replaced, along with DME reprogramming.

mbagge01 Member

mbagge01

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  • Author
Posted

Does anyone make largers intake manifolds for the 955 and are there any benefits to upgrading the manifold or throttle body in the 955

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