Eventuri carbon intake system for Porsche 991 GT3 RS

Eventuri Carbon intake for Porsche 991.1/2 GT3 RS

PORSCHE 991 GT3 RS

Power increase: 8-11hp, 8-10ft-lb

Flow Bench Data: Stock Intake 905 CFM : Eventuri Intake 1025 CFM

Suitable for: 991.1 and 991.2 GT3 RS

The Porsche GT3 RS intake was designed to provide a more efficient flow path to the engine compared to the OEM airbox. By utilizing our patented Venturi housing concept, the airflow can pass through the filters in a much less tortuous path, reducing the system's drag. Furthermore, by increasing the overall volume in the intake tract, the maximum flow capacity has also been increased. By using custom-made filters with an outer diameter of 192 mm or 7.5? and a filter surface area of ​​over 110,000 mm^2 each, we have made optimal use of the available space. Intake air temperatures have also been minimized through a sealed system and the use of carbon fiber, which has a low thermal conductivity across its wall thickness. The result is a real gain in power and a noticeable improvement in throttle response.

The Eventuri Difference

The 991 GT3 RS Eventuri system uses our patented carbon fiber housing, which provides an aerodynamically efficient airflow path from the filter to the engine.

Flow tests

We conducted flow tests with a Superflow SF-1020 to determine the maximum possible flow rate at a pressure drop of 28" H2O. The tests were conducted on the same day under controlled conditions, using the same test fixture for each system. We tested our complete intake system against the stock airbox system. The results show an increase in maximum flow of an additional 120 CFM compared to the OEM airbox. Importantly, this was achieved with a sealed intake system, so intake temperatures are also kept to a minimum.

Test bench test

Our RS3 intake was independently tested by ES Motors, who build high-performance Porsches in the UK. The tests were carried out back to back on the same day on a chassis dyno. As you can see, there is a measurable gain across the entire rev range, not just at the peak, which is more important because the enlarged area below the graph shows that the intake has an impact beyond the headline figures. This gain is noticeable even in a production car on the road, with better throttle response and quicker acceleration. The first graph is the summary of the results, and the second is a screenshot of the dyno test to show the mid-range gain.

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