IPD Plenum 74mmFor Porsche 997 Turbo Base/S 3.6L (2006-2009) Models.

The 74mm IPD Turbo Plenum for the Porsche 997 Turbo is designed for enthusiasts seeking increased engine performance without extensive modifications. Utilizing the factory 74mm throttle body, this plenum provides noticeable gains for both stock and lightly modified Turbos equipped with upgraded exhaust or software.

Engineered to work seamlessly with the high-flow IPD “Y” Pipe, the 74mm plenum optimizes airflow and boost response while maintaining smooth and balanced power delivery across the RPM range. For more extreme performance setups, upgrading to the 82mm Competition Plenum is recommended.