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Intake Plenum Competition + Throttle Body Porsche 987 Cayman/Boxster S 3.4L DFI IPD ❭ IPDKIT98734
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12

The IPD 987.2 Boxster "Competition" Plenum was designed to meet the needs of the most demanding Boxster S enthusiasts. The "Competition" Plenums is internally larger and specifically designed to utilized the larger 82mm 997 GT3 throttle body. This new 987.2 Competition Plenum follows in the foot steps of the very successful 987.1 Competition Plenum, which has proven itself to be the absolute single best performance mod that can be installed on any 987.1. The combination of the patented IPD "Y" designed Plenum and Porsche's largest TB yield great performance gains that can be seen and felt throughout the entire power band.
The "Competition" version was designed and developed to work with Boxster S's equipped with high quality high-flow aftermarket cat-back exhausts. The addition of headers and high-flow cats will only further compliment the dramatic increases with intake air flow delivered by the IPD Plenum.
Performance gains take place throughout both horsepower and torque curves but are most realized through the mid-range and well into peak power range. This system develops up to 20+ HP on Boxster already equipped with aftermarket cat-back exhausts. Once installed, the 987.2 Boxster Competition Plenum will truly transform your Porsche Boxster driving experience.
Fits:
Porsche 987 GEN2 Cayman S 3.4L DFI
Porsche 987 GEN2 Boxster S 3.4L DFI
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
IPDKIT98734
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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

This Product Fits:
Porsche 964 3.6L C2 / C4 / RS 1988-94 (Excl. Turbo)
K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower.
Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty.
K&N drop-in replacement filters are designed to install easily into your factory air box.
Works with Original Equipment Manufacturer Vehicle Electronics.
Environmentally Friendly, K&N Reusable Air Filters
Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
33-2077
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
The Porsche part is ugly roto-formed cheap plastic with parting lines whereas accurate replica is carbon fiber.
Saves 8 to 9lbs about 4Kg from the rear of all 964's and 993's. Will not work on C2 Turbos/965 cars.
Replaces blower motor assembly and ductwork and still allows plenty of heat just like the factory RS part.
Ultra cool clear coated real carbon fiber tube that really cleans up engine bay and makes working on engine easy.
Please Note:
All late model 993's 1996-98 (Varioram engines) require the 964 early type fan air guide shroud (as shown on exploded image)
Can be added below
Due to manufacturing tolerances and the nature of composite materials, minor trimming of excess material may be required during installation to ensure optimal fitment.
Fits:
Porsche 964 C2/C4 1989-1994
Porsche 993 C2/C4 1994-1997
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
964167003
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
The air duct is directed up towards the boot lid where air is forces into the air duct and then into the air box
Fits:
Porsche 964 C2/C4 1989-1994
Porsche 993 C2/C4 1994-1997
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
964167004
The product you are viewing cross references to these numbers
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