Description
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Performance Increase : 15hp, 18ft-lb
The GR Yaris Intake has been developed through extensive data logging of temperatures, flow rates and dyno testing. Since this is a turbocharged engine, heat and volume were the main considerations during development. This intake system has been developed to offer the highest possible flow rate whilst maintaining the lowest intake temperatures possible. Each component has been designed to provide the turbo with a smooth and free flowing path. By ensuring a sealed system we have improved on the IATs of the OEM airbox whilst at the same time increasing the internal volume to reduce the pressure drop and therefore reduce pumping losses of the turbo. In doing so the turbo is able to operate more efficiently and therefore reaches peak boost sooner to produce a net performance gain. The filter itself has an outer diameter of 210mm or 8.3³ with a filtration surface area of over 130,000mm^2. The patented Venturi housing has been designed to provide the maximum internal volume possible for the GR Yaris and provides laminar flow to the turbo tube. The Eventuri Difference The GR Yaris Eventuri system uses our Patented Carbon fibre Housing which provides an aerodynamically efficient airflow path from the filter to the turbo. Not just another cone filter with a heat shield but a unique design which invokes the Venturi affect and maintains laminar flow conditions to reduce the drag on the turbo. You can read more about the housing design and how it works HERE.
The Eventuri GR Yaris intake system consists of a number of components engineered to perform a specific purpose and fabricated to the highest of standards. We use 100% pre-preg carbon fiber with no fibreglass which means we can achieve a smooth internal surface to maintain smoother airflow. Here are the details for each component and the design ethos behind them:
Each intake system consists of:
Dyno Testing
Our GR Yaris intake has been tested by various reputable tuners globally who have all reported similar results. The first dyno chart is from RaceCal in the UK. Several runs were done with the OEM airbox to get a repeatable result and then again with the Eventuri intake. Tests were done on the same day back to back with the hood closed. Results show an increase in torque and power across the entire RPM range - not just at the peak RPM, which is why the car feels more responsive and is able to accelerate faster through the gears. The ambient temperatures during this session were 11.9 Deg C for the OEM airbox and 15.6 Deg C for the Eventuri - the rise in temperature was due to the dyno cell warming up after the stock airbox runs.
Dyno Results Summary:
The second set of results are from Master Tuning Asia based in Hong Kong who tested the intake against the stock airbox on the same day and this time in warmer conditions of around 32 Deg C. The systems were tested 3 times and all 3 graphs show gains across the RPM range with the third run showing the highest gain as the stock airbox struggled with the IAT.
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Return & Refund Policy
If you are unhappy with your purchase, as long as you contact us within 30 days from the receipt of the item, we will process your return/exchange request. Please make sure to contact us by email vicky.lan.xu@gmail.com at first.
The following items are non-returnable:
The customer is responsible for all shipping charges related to returns or exchanges, unless the item received was damaged or defective.
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If your return is approved, a refund will be processed to your original method of payment within fourteen (14) business days. The time it takes for the refund to post to your account may vary depending on your bank or credit card company.
We are unable to cancel orders once they have been shipped. If you wish to cancel an order that has already been shipped, please initiate a return once you receive the item.
If you receive a damaged or defective item, please contact our customer service team within forty-eight (48) hours of delivery to initiate a return or exchange. We will provide a return label and instructions on how to return the item.
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