Audi 8V S3

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Performance Increase : 16-25hp, 15-22ft-lb

The VAG 2.0 TFSi Eventuri intake has been developed to provide the most efficient and direct airflow path to the turbo. By replacing the OEM our Patent Pending Venturi housing and coupling this with a smooth duct, we have ensured that the airlfow remains as laminar as possible. Furthermore, the addition of a true cold air feed by adding a scoop to the front grill results in the lowest possible inlet air temperature. The result is an optimised intake system which delivers noticeable performance gains consistently.

The Eventuri Difference

The 2.0 TFSi system utilizes our Patent-Pending Carbon fibre Housing, which provides an aerodynamically efficient airflow path from the filter to the turbo tube. Not just another cone filter with a heat shield but a unique design which allows airflow to remain laminar and thus improve the turbo efficiency. You can read more about the housing design and how it works here.

Performance

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The standard airbox is cuboid in shape which gives rise to turbulence and increases the drag on the turbo as a result. Furthermore it draws air from a duct, which despite extending over the entire grill is in fact only open on one side and this opening is also facing the engine so the airbox draws in warm engine bay heat. In addition, when the bonnet is closed, the only direct path for cold air is from the small slots in the top of the grill (for the Golf 7 variants).

The following dyno graphs show the before and after results on a Golf 7 R (same engine as the Audi 8V S3) which already had a remap. So both the stock airbox and the Eventuri were tested with the same remap in place. All tests were carried out back to back on the same day with the BONNET CLOSED ON ALL OCCASIONS.

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Single VS Double Duct During the development of our system we designed and tested both the single duct and also an extended double duct version:

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The testing showed that the double duct did not produce more power, in fact we could not achieve the same results as we did with our single duct design. This is because the single duct allows for the smoothest and most direct airflow path to the filter. With the scoop directly in front of the opening there is no chance for warm air to mix with the airflow. Furthermore on the double duct, the airflow has to travel at almost a 90 degree angle from the far side of the grill to then enter the filter housing. Here is a dyno graph showing the results we achieved with both duct designs:

Product Details

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Part Numbers:

EVE-2TFSI-CF-INT : Audi S3 2.0 TFSI Full Black Carbon intake
EVE-2TFSI-KV-INT : Audi S3 2.0 TFSI Full Kevlar intake

The Eventuri Audi S3 intake system consists of a number of components engineered to perform a specific purpose and fabricated to the highest of standards. Here are the details for each component and the design ethos behind them:

Each intake system consists of:

Prepreg Carbon Fibre Venturi Housing
High Flow Double Cone Air Filter
Aluminium Cowl for smooth airflow entry
Prepeg Carbon Fibre Intake Duct (also available in plastic)
Laser Cut Cold Air Scoop with Surround
Laser Cut Stainless Steel Brackets
Laser Cut Slam Panel Plate

Carbon Intake Housing and Duct

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The filter housing comprises of a high flow filter, aluminium cowl, laser cut bracket and the carbon pod itself. The carbon pod shrouds the reverse mounted filter and smoothly shapes the airflow down to the intake tube. This smooth reduction in cross sectional area invokes the Venturi effect where the airflow accelerates whilst maintaining laminar conditions. It can be thought of as a large velocity stack – below is a diagram to show the comparison between our patent pending design and a regular intake system. Further details can be read in the Technology page. The duct channels cold air from the slam panel opening to the filter. By designing the duct to smoothly transition from the rectangular opening at the front to the circular opening for the filter, it allows the airflow to remain as direct and smooth as possible.

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Videos

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Installation Guide

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Please download the installation guide here.

VAG-2.0TFSi-Installation-Guide-compressed2

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Audi 8V S3

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