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Cayman 987.1 intake mods: IPD plenum with Trottle body

  • 2007
  • Cayman S
Mileage: 
60 000
Engine
Montréal, 
Quebec

My Cayman S 3.4 liter is already equiped with a BORLA cat back exaust.  I make DE at Tremblant circuit (Rennsport region) a couple of times per year.  I want to install an IPD plenum on it.  Option : Buy the regular plenum with my OEM 74 mm TB, or put a competition plenum with the GT3 82 mm TB on it.  Does the increase of power of the second option worth the difference considering the use frequency on track  ? 

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