IPD Plenum 74mm For Porsche 997 Carrera S 3.8L (2005-2008) Models.

The IPD Plenum for the Porsche 997 Carrera S 3.8L delivers power gains across the entire RPM range, with midrange improvements of up to 28 horsepower and 26 lb-ft of torque, and peak gains of 11–12 horsepower at higher RPMs. Its patented “Y” design enhances airflow for smoother, more linear power delivery and improved throttle response, elevating the overall driving experience of the 997 Carrera S.

Performance improvements are fully realized once the factory DME completes its adaptation process, typically achieved through a series of full-throttle runs or dyno pulls. Designed as a direct bolt-on replacement, installation is straightforward for mechanically inclined enthusiasts, though IPD strongly recommends that a trained Porsche technician perform the installation to ensure optimal results and reliability.