In typical Porsche fashion, new engine offerings are staggered from new body offerings. This means that the Porsche 991 Carrera engine remains relatively unchanged from the previous Porsche 997.2 Carrera model. The intake systems are “almost” identical to each other but not exactly. A few minor changes and additions need to be made to the existing Carrera DFI IPD Plenum castings in order to make them compatible with the new Porsche 991’s. These minor revisions are being address and are currently in progress.

We expect performance improvements to remain at around 16 HP and 13 foot pounds of torque at the wheels with the 3.8 liter Carrera S model and 14 HP and 12 foot pounds of torque at the wheels with the 3.6 liter Carrera Non-S model.

Engine access is without a doubt, more challenging compared to the 997.2 models. We will detail what’s involved with the installation process after we fit the new Plenums to our 2 test vehicles. At the moment it doesn’t appear to be as difficult as was originally expected.

We have had many Porsche 991 Plenum inquiries from satisfied customers who had IPD Plenums installed on their Porsche 996 and Porsche 997 Carreras and look forward to delivering another great performance improvement Plenum for all the 991 Carrera customers who need more power and torque. The new Porsche 991 IPD Carrera Plenums should be available in January 2013.

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