IPD 74mm Plenum for 987.2 Porsche Boxster S & Cayman S [87474-3.4]

IPD 74mm Plenum for 987.2 Porsche Boxster S & Cayman S [87474-3.4]

The IPD 74mm Plenum for the 987.2 Porsche Boxster and Cayman S 3.4L DFI is a direct bolt-on upgrade, replacing the factory plenum while utilizing all original factory hardware, including the OEM throttle body. This IPD Plenum features an optimized intake design that promotes smoother, less turbulent airflow and higher intake velocity, resulting in impressive power and torque gains. By enhancing air efficiency, the IPD 74mm Plenum brings a noticeable performance boost, making it an ideal upgrade for Cayman S drivers seeking improved responsiveness and overall driving experience.

Power

• The advanced design of the DFI IPD Plenum provides an additional 12-14 wheel horsepower. Unlike previous naturally aspirated IPD plenums, which focused on mid-range gains, this IPD DFI Plenum maintains a factory-like power curve while delivering significantly stronger output from the mid-range through to redline. Power levels in the lower rev range align with Porsche’s factory output, with no losses, while power and torque gains begin in the mid-range and continue to exceed factory levels all the way to redline.

Features

• 74mm intake
• Improved airflow
• Internal dimpling
• Patented “Y” design
• +12-14whp

Applications

• Porsche Boxster S: 987.2 (2009-2012) – 3.4L F6
• Porsche Cayman S: 987.2 (2009-2012) – 3.4L F6

Notes

• It is highly recommended that the installation of all Plenums be performed by qualified and trained Porsche technicians

About IPD Plenums

Innovative Pro Design (IPD), founded in 2004 by Mike “Turbo” Kirakosyan, is based in Southern California, the heart of Porsche tuning. IPD is renowned for its patented “Y” design Intake Plenums, which enhance power and torque through optimized airflow. Developed with Mike’s extensive experience as a fabricator, engine builder, and Porsche expert, the Plenums underwent rigorous testing, including over 1000 dyno pulls. With a product range covering over 60 Porsche models, IPD continues to innovate and fine-tune its designs. Backed by a 100% satisfaction guarantee, IPD consistently delivers impressive, dyno-proven performance gains, making it the ultimate Porsche performance upgrade.