Eventuri Carbon Fibre Intake System - Porsche 911 (991) GT3 RSPorsche 991 GT3 RS Performance Gain : 8 11hp, 8 10ft lb Flow Bench Data: Stock Intake 905 CFM : Eventuri Intake 1025 CFM Fitment: 991. 1 and 991. 2 GT3 RS The Porsche GT3 RS intake has been designed to offer a more efficient flow path to the engine in comparison to the OEM airbox. Utilising our Patented Venturi Housing concept, airflow is able to negotiate through the filters with a much less tortuous path thus reducing the drag of the system.