Porsche 991 Turbo S Cabriolet Exclusive Akrapovic Exhaust, Cobb Tuning, IPD Plenum Power Package

2019 Porsche 911 Turbo S Exclusive Series Cabriolet in for upgrades. Thanks to the powerkit reserved solely for the Exclusive Series, this rare beauty makes 607 hp, which is 27 hp more than the standard 911 Turbo S. Still room for more, we installed our Akrapovic Exhaust System, BMC Filter, IPD / Innovative Pro Design Plenum & Y-Pipe, Bydesign motorsport intercooler, and COBB Tuning Power Package.

  • Akrapovic Exhaust System

  • IPD / Innovative Pro Design Plenum

  • IPD / Innovative Pro Design Y-Pipe

  • BMC High Flow Air Filter

  • Bydesign Motorsport Intercooler

  • COBB Tuning Power Package.

991.2 Turbo /S IPD High Flow Y Pipe
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991 GT2 RS IPD Plenum & Y-Pipe

The revolutionary and patented design of the IPD Porsche Plenum improves intake air -flow by replacing the factory plastic "T" style design with a more efficient, precision casted aluminum "Y" design. The fundamental purpose of a plenum is to deliver smoother air at a higher velocity with greater efficiency. The IPD Plenums distributes the air -flow more effectively while reducing pressure drop at the throttle body inlet by utilizing a true merge collector and dimpled interior surfacing. To further improve airflow, the innovative IPD High Flow Y-Pipe design is a direct fit OEM replacement that is not only larger but also utilizes “non-round” runners, in addition to the same design principles as the plenum. These improvements of the Y-Pipe alone deliver an additional 35+ wheel HP, 40+ Foot Pounds of Torque. Together, the IPD Plenum & Y-Pipe increase horsepower and torque well above the factory power curve from launch to redline. The result will be smooth and linear power with considerably quicker boost response creating a longer and more desirable power band.


  • Increases horsepower, torque, and boost by responsibly optimizing air -flow efficiency

  • Designed with 3D Modeling & Computational Fluid Dynamics software

  • Utilizes diversion splitter and dimpled interior surface eliminate turbulence and increase air -flow

  • High quality cast aluminum construction

  • Direct fit OEM replacement

  • Made in USA

Akrapovic 991.2 Turbo Titanium Exhaust
  • WEIGHT -7.3kg

The Akrapovič Slip-On Line for the Porsche 911 Turbo / Turbo S (991.2) is the first stage in the exhaust tuning process and gives this already outstanding car a further step in performance. Complete the slip-on system with titanium tailpipes in combination with carbon fiber diffuser in matte or high gloss finish (required for install).

  • S-PO/TI/6H
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Cobb Accessport for Porsche 991.2 Turbo / GT2 RS

The Accessport V3 is the world's best selling, most flexible ECU upgrade solution for Porsche. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Upgrade forever with off-the-shelf (OTS) calibrations for most bolt-on modifications. It's the last engine management solution you'll ever need.

Supported Vehicles:

  • 2017-2018 Porsche 911 (991.2) Turbo PDK WM

  • 2017-2018 Porsche 911 (991.2) Turbo S PDK WM

  • 2018 Porsche 911 (991.2) GT2 RS

Cobb Tuning Calibration Notes

There is a new element to the ECU flashing process for vehicles supported by these three Accessports.  Just as COBB did over 10 years ago with it’s first ECU flashes, we will be bringing ECUs in-house in order to unlock them before an Accessport can be installed.  This means the process for installing an Accessport on your 718 or 991.2 vehicles will be a bit more involved than in years past.  Not to fret, we have a system in place to ensure ECUs are shipped and returned in a timely manner.  Customers will be updated at each step along the way, from the initial purchase to receiving the unlocked ECU and Accessport.

  • AP3-POR-012

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