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Aluminum Intake Plenum. Porsche 991.1 Turbo /S IPD Intake Plenum 74mm ❭ 91274
- Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16

The new 991 IPD Turbo Plenum is nearly identical to the previous 997.2 Turbo Plenums. The new IPD Turbo Plenum is offered in one single 74mm version which utilizes the factory 74mm throttle body. The 991 Turbo intake manifolds are smaller than the 997.1 Turbo manifolds which is great for improved boost response and gas mileage but less than ideal for making substantial power gains. The 74mm TB provides more than adequate flow for these more restrictive intake runners eliminating the need for a larger 82mm "Competition" version.
The already explosive power of the 991 Turbo can be further increased with the new 991 Turbo IPD Intake Plenum. The patented IPD Plenum design works exceptionally well with all forced induction applications and the 991 Turbo is no exception. Power and torque increases provided by the IPD plenum are impressive and stay well above all factory power curves from launch to redline. Maximum power increases take place in the midrange where it's most needed, most critical and most enjoyed.
The 991 Turbo plenums deliver smooth and linear power with considerably quicker boost response creating a longer and more desirable power band. The Turbo plenums deliver reliable performance for both street and motorsport applications enhancing the already visceral Porsche Turbo driving experience.
The 991 Turbo requires an "adaptation" period that can be fully realized with either a series of hard pulls on the dyno or a series of spirited driving sessions, which of course IPD recommends only be performed on a closed course circuit. Installation of all Turbo Plenums is highly recommended to be performed by qualified and trained Porsche technicians.
Fits:
Porsche 991.1 Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91274
The product you are viewing cross references to these numbers
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04

The GT3 Porsches have their own branch on the Porsche motorsport family tree. GT3 street cars aren't a distant cousin sharing the same family name but are an immediate family member sharing the same DNA with Porsche's top level and most successful race cars. The 996 GT3 is considered by many to be the most performance focused Porsche to ever come out of Stuttgart.
As with all GT3's, power improvements are very difficult to develop because of Porsche's fantastic out-of-the-box design and development on these performance minded machines.
The GT3 engine was specifically developed to deliver power where it's needed on the track, way up high in the rev range. The IPD Plenum compliments that power by delivering additional horsepower throughout the entire power band, especially in the mid range where it's most needed.
The 996 GT3 IPD Plenum provides an additional 24 horsepower at the wheels, enhancing the already ultimate Porsche driving experience. The 996 GT3 Plenum is specifically designed to accommodate the larger 997 GT3 82mm throttle body (additional purchase required).
The combination of the patented Y design plenum and larger throttle body make the 996 GT3 IPD Plenum the ultimate performance upgrade for the ultimate performance Porsche.
Installation of the 996 GT3 IPD Plenum is relatively straight forward but IPD strongly recommends installation be performed by a highly qualified Porsche technician.
996 GT3 Competition Plenum: HP Gains 24 / Torque Gains 26. Requires upgrading factory 76mm Thottle Body with 997 GT3 82mm Thottle Body
Fits:
Porsche 996 GT3 2001 >>
**Not for early year cable driven throttle body cars
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96382
The product you are viewing cross references to these numbers
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16

In fuel injected engines, the throttle body is the part of the air intake system that controls the amount of air flowing into the engine, in response to driver accelerator pedal input in the main. The throttle body is usually located between the air filter box and the intake manifold, and it is usually attached to, or near, the mass airflow sensor.
The largest piece inside the throttle body is the throttle plate, which is a butterfly valve that regulates the airflow. Have a larger diameter throttle body produces more air flow with equals more power. The upgrades should be used in conjunction with the competition plenums.
This is a 82mm Throttle body.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760511601
The product you are viewing cross references to these numbers
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 2010-11
- Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2010-17
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16

Fits:
Porsche 918 Spyder 2015 (requires 2 per engine)
Porsche 957 Cayenne GTS 4.8L (engine 48.01+)
Porsche 958 Cayenne S / GTS 4.8L (engine code 48.52)
Porsche 970 Panamera S/ GTS 4.8L (engine codes 48.20 / 48.40 / CXPA / CXRA / CXR)
Porsche 991.1 Carrera C2 / C2S / C4 / C4S
Porsche 997.2 Carrera C2 / C2S / C4 / C4S 3.6L & 3.8L engines
Porsche 997 GT3 3.8L 2007 >> (engines 97.76)
Porsche 997 GT3 3.8L & 4.0L 2009 >> (engines 97.74 / 97.77)
Porsche 997 GT3 3.8L 2007 >> (engines 97.76)
Porsche 991 GT3 / R 3.8L & 4.0L (engines A175 / DGG / DGA / DGGB)
Not for GT3 RS
Will also fit to many other Porsches fitted with oversized 82mm IPD plenums.
In fuel injected engines, the throttle body is the part of the air intake system that controls the amount of air flowing into the engine, in response to driver accelerator pedal input in the main. The throttle body is usually located between the air filter box and the intake manifold, and it is usually attached to, or near, the mass airflow sensor.
The largest piece inside the throttle body is the throttle plate, which is a butterfly valve that regulates the airflow. Have a larger diameter throttle body produces more air flow with equals more power. The upgrades should be used in conjunction with the competition plenums.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760511601
The product you are viewing cross references to these numbers
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