IPD Competition Plenum 74mm For Porsche Boxster 986 Base 2.7L (2000-2004) Models.

The IPD Plenum for the Porsche 986 Boxster Non-S 2.7L delivers significant performance gains across the entire RPM range, with the most noticeable improvements in the midrange. When paired with the upgraded 74mm throttle body (up from 68mm), this plenum provides an enhanced driving experience, making it an essential upgrade for enthusiasts seeking stronger power and responsiveness.

Power gains of over 12 wheel horsepower and 12 lb-ft of torque are realized from launch to redline, making this plenum ideal for both stock and modified Boxsters without the need for ECU modifications. The upgrade includes a custom IPD silicone hose and all necessary hardware for proper installation.