Eventuri carbon intake system for Toyota Yaris GR

TOYOTA GR YARIS INTAKE SYSTEM BY EVENTURI

Power increase: 15hp, 18ft-lb

The GR Yaris Intake was developed through extensive data logging of temperatures, flow rates, and dyno testing. Being a turbocharged engine, heat and volume were the primary considerations during development. This intake system was engineered to provide the highest possible flow rate while maintaining the lowest intake temperatures. Every component was designed to provide a smooth and unobstructed flow path for the turbo. By using a sealed system, we improved the OEM airbox IATs while increasing the internal volume to reduce pressure drop and therefore decrease turbo pumping losses. This allows the turbo to operate more efficiently, reaching peak boost pressure sooner, resulting in a net power gain.

The filter itself has an outer diameter of 210mm or 8.3? with a filter surface area of ​​over 130,000mm^2. The patented Venturi housing was designed to provide the maximum possible internal volume for the GR Yaris and ensures laminar flow to the turbocharger.

The Eventuri Difference

The GR Yaris Eventuri system utilizes our patented carbon fiber housing, providing an aerodynamically efficient airflow path from the filter to the turbo. Rather than just another conical filter with a heat shield, it's a unique design that induces the Venturi effect, maintaining laminar flow conditions to reduce turbo drag.

Dyno tests

Our GR Yaris intake has been tested by various reputable tuners around the world, all of whom reported similar results. The first dyno chart is from RaceCal in the UK. Several runs were performed with the OEM airbox to ensure repeatability, and then again with the Eventuri intake. The tests were conducted on the same day with the hood closed. The results show an increase in torque and power across the entire rev range—not just at peak revs. This is why the car feels more responsive and can accelerate through the gears quicker. The ambient temperatures during this session were 11.9 degrees Celsius for the OEM airbox and 15.6 degrees Celsius for the Eventuri—the temperature increase is due to the dyno cell heating up after the runs with the stock airbox.

The second set of results comes from Master Tuning Asia in Hong Kong, who tested the intake system against the stock airbox on the same day, this time under warmer conditions of approximately 32 degrees Celsius. The systems were tested three times, and all three charts show gains across the entire rev range, with the third run showing the highest gain, as the stock airbox struggled with the IAT.

parts certificate

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* DE/AT: Vehicle registration document

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