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Retrofit/Conversion: Cayenne Turbo to Cayenne Turbo S - E81 PowerKit [PICS]

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Old Apr 11, 2022 | 04:04 AM
  #91  
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Originally Posted by ImHereLive957
But I'm also searching for whether or not that Y-pipe upgrade he did is better or the same as an IPD plenum.
IPD Y-Pipe is a source of debate. IPD says it improves HP etc, everyone who has bought one says it does nothing but lighten the wallet.
There is a guy by the name of Fisher Motor Works on the Cayenne tuning group on facebook who is 3D printing a version out of carbon composite. It's still in testing - and has been for a while...
 
Old Apr 11, 2022 | 10:11 PM
  #92  
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Originally Posted by bobbyjimmy
IPD Y-Pipe is a source of debate. IPD says it improves HP etc, everyone who has bought one says it does nothing but lighten the wallet.
There is a guy by the name of Fisher Motor Works on the Cayenne tuning group on facebook who is 3D printing a version out of carbon composite. It's still in testing - and has been for a while...
Yeah totally makes sense. I was skeptical immediately reading the IPD Plenum claims of 30+hp or whatever. I thought there's no way that y-pipe is that much of a bottleneck. Granted, the intakes to/from turbo/intercooler/throttle body seem pretty tiny IMHO (I mean, 2.25"? come on) but still...

Do you have a link to this Cayenne Facebook tuning group? I'd love to check it out. I also plan on asking Hanksville Hot Rods shop who makes lots of Cayenne fabbed exhaust and intake stuff if they'd be interested in making a y-pipe plenum of their own and/or maybe just a throttle body spacer with an NPT thread nozzle for my water/meth plans... they happen to be sorta down the street from where I live too. We shall see. https://www.hhrproducts.com/porsche-...-2011-to-2018/
 
Old Apr 12, 2022 | 01:07 AM
  #93  
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Originally Posted by ImHereLive957
Do you have a link to this Cayenne Facebook tuning group?
https://www DOT facebook DOT com/groups/294249544886761/members/
(it's not letting me post a direct link for whatever reason)

And ahh, you should also search within that group and the Cayenne Owners and Cayenne Support groups about HHR too. Short story is they aren't making anything.
 
Old Apr 18, 2022 | 10:43 AM
  #94  
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Originally Posted by Renaissance.Man
Note that this is a different part number from the standard stock plenum. This one includes the stock plenum, a couple of bellow hose connectors, a couple of clamps, and a new MAF sensor! The price for this assembly was under $250. Individually, I believe the price of the new MAF alone is more than this, so great price.

In comparison, not sure if I can justify the cost/value of the IPD plenum.
I'm being told this is actually a MAP sensor now, and not a MAF sensor?
 
Old Dec 18, 2025 | 11:37 PM
  #95  
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Reviving this as I'm interested in the E81 power kit for the 08 CTT can anyone confirm the part numbers for the intake manifold, plenum and throttle body and if it also needs the o ring for the TB too?

Shame RennMan is no longer active on the forum, think I remember messaging him back when this was a live post but I had 955 CTT back then
 
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