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Porsche // 964 (911) (1989-1994) // 964 (911) C2 1989-93
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- Porsche Cayman S / GTS 3.4L 981 2013-16
Incudes 82mm throttle body
Fits:
Porsche 981 DFI Cayman S/ GTS (3.4L)
After a very extensive R & D program we are proud to launch the new 981 IPD 82mm Competition Plenums. We only offer "Competition" versions of the 981 Plenums which upgrades the factory 74mm throttle body with the larger 997 GT3 82mm throttle body. This combination has proven to be considerably more popular and deliver even more performance. This Competition version will work with both 3.4L "S" and 2.7L "Non-S" applications.
The 981 intake is nearly identical to the 987.2 intake. Porsche made a few upgrades with the 981, most notably being that the 981 draws outside air from both driver and passenger air intakes instead of the driver's side only as previously found with all 986, 987 and 987.2 applications. IPD has included a custom silicone hose designed to perfectly fit the larger 82mm TB and considerably improve air flow.
The new 981 Plenums also benefits from the internal dimpling effect that we are now implementing on all future Plenums. This internal dimpling allows us to control the boundary layer and maximize air flow. Just like a dimpled golf ball travels farther than a smooth golf ball. Controlled turbulent air creates less friction and "tumbles" over a given area more efficiently.
Power gains with the 981 Competition Plenum are virtually the same as with the 987.2 Competition Plenum, putting down 20 horsepower and 16 foot pounds of torque at the wheels. The bulk of the power gains from the IPD Plenum begin around 4000 rpm, continues all the way through to redline and become fully realized in the 6000 rpm range. IPD performance gains stay above both factory power curves throughout the entire rev range
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
IPDKIT81482-34
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
-Photoroom.png-Photoroom.png?width=197 "Drive by wire inlet conversion kit with manifolds. Porsche 964 / 993 - 96411090100, 96411090130, 99611061996")
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Convert the 964/993 induction to Drive by Wire set-up
Fits:
Porsche 964 - 1989 to 1993
Porsche 993 - 1994 to 1998
Product Overview:
Transform your Porsche 964's performance with this sleek and high-tech intake kit designed for Porsche 964/993. This innovation marks a transition from the typical accelerator cable-based throttle to an electronic "drive by wire" throttle body. This advanced change streamlines the intake system by eliminating unnecessary components, resulting in a cleaner engine bay appearance.
This modification offers a more drivable setup for highly tuned engines while incorporating the precision of a drive by wire (DBW) throttle.
This enhanced drivability is a key feature for a tuned aircooled engine and allows for smooth idle control with a cold as well as a hot engine. It simply makes the engine feel more modern as compared to the old ITB (individual throttle bodies) setups lacking in mid range torque and difficulties with the idle control.
Precision-Engineered Components:
- 82mm Throttle Body with Reinforced Industrial PA12 Manifold
- CNC-Milled Intake Manifold Stacks Crafted from Billet Aluminium
- Included Rubber Boots and Clamps for Easy Installation
- Islandworks Resonance Tube with Valve and Solenoid, Manufactured from the Same PA12 Material
- Integrated Manifold Pressure and Temperature Sensors
- Essential Vacuum Lines for Optimal Performance
Kit Includes
Complete intake with all the parts seen in the image manufactured from modified PA12 using an industrial process. This intake plenum has been optimized to fit on a Porsche 964 or Porsche 993 and includes all vacuum ports for both brake vacuum and to maneuver the resonance flap.
The following parts will be reused from the 964 intake:
- Rubber boots and clamps
- Vacuum reservoir
- The aluminum or plastic plenums
- Resonance flap
- Actuator and shaft
Note: the aluminum or plastic intake plenum is not included in the kit and neither are any of the items specifically listed as excluded above.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96411090100
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
Convert to Drive by Wire when retro fitting a turbocharger or supercharger
Fits:
Porsche 911 - 1974 - 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
911 used 2-Bolt type
964/993 uses 3-Bolt type
Please Note:
The aluminium or plastic intake plenum (inlet manifold) is not included in the kit
Product Overview:
Inject power and precision into your vintage aircooled engine, now also for turbo or supercharged cars.
To be used when converting a G-Model 911 or a 964/993 engine to a turbocharged/supercharged engine with a 964 induction based Drive by Wire set-up
Conversion kit to a Porsche 964 based intake system to become a DBW (Drive by wire) intake based 74mm original Bosch throttle body (Sometimes referred to as 76mm) specifically executed all in CNC milled billet aluminum.
This is sold either with the intention to convert a Porsche 964/993 engine or to adapt and convert a 964 intake onto a G-model car when turbocharging.
Kit includes:
- Throttle body runner for 74mm throttle body in aluminum
- Vacuum port on throttle body runner
- Original Bosch electronic throttle body
- Original Bosch MAP-T-sensor
- Connecting pipe out of aluminum replacing the resonance tube
Intake runners for the Porsche 911 G-model (2-bolt) or 964/993 (3-bolt) engine are made out of billet aluminium, 3D milled in a 5-axis machine. The port diameter indicated in the options is the diameter of the port in the cylinder head.
The following parts are to be reused from your original 964 intake:
Rubber boots and clamps
The plenums (inlet manifolds)
Please Note:
Aluminium or plastic intake plenum is not included in the kit and neither are any of the items specifically listed as excluded above.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011003404
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
Convert the 964/993 induction to 996 GT3 Drive by Wire set-up
Fits:
Porsche 964 - 1989 to 1993
Porsche 993 - 1994 to 1998
Product Overview:
Inlet conversion kit consists of the throttle body runner and the resonance tube. This is what you need to convert a Porsche 996 GT3 MK1 or MK2 plenum to fit on a Porsche 964 engine. This kit is solid and made from a modified PA12 material making the original Porsche parts feel old and flimsy in comparison.
Components Include:
- Throttle body runner made out of a modified PA12 material and an industrial 3d moulding process
- Seal and original Porsche 997 GT3 Bosch 82mm electronic throttle body
- Vacuum tube with original resonance flap internals. Note the internals come from refurbished original 996 parts.
- Vacuum solenoid and reservoir with mounts as per images
- Rubber boots and clamps
- Vacuum connections, check valve and extra hose
- Original Bosch MAP-T-sensor for 1 bar
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96411012800
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- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- 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
Sold as a pair
Fits:
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 996 - 1997 to 2005
Introducing the Silverlake Porsche 911 GT3-style intake manifolds, designed for both ITB (Individual Throttle Bodies) or DBW (Drive-By-Wire) applications. These manifolds are compatible with air-cooled and water-cooled Porsche engines, offering a lightweight and high-performance alternative to the OEM cast aluminum version.
Available in two advanced materials: temperature-cured carbon fiber prepreg or glass fiber-reinforced thermoplastic, each plenum weighs just 825 grams (1.8 lbs), significantly lighter than the 2400 grams (5.3 lbs) of the stock aluminum version. This results in a total weight reduction of 3.15 kg (7 lbs) per pair — a 65% savings compared to the original.
Engineered and flow bench tested to ensure optimal airflow volume, the carbon fiber version features a matte finish, while the thermoplastic model comes painted in black, with the option for custom repainting. Both versions are free of logos, providing a clean, personalized look.
The kit includes two manifolds/plenums, the high-temperature silicone couplers are available separately.
This product replaces Porsche part 99611061996
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611061996
The product you are viewing cross references to these numbers