Eventuri Audi S5 3.0TFSI - Black Carbon Intake
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The Audi S4/S5 3.0T Eventuri intake was developed to give less restrictive airflow to the supercharger whilst maintaining low inlet temperatures. The S5/S4 engine bay becomes heat soaked very quickly so simply having an open cone system would result in better airflow, but higher inlet temperatures. We therefore completely re-engineered the inlet track from the throttle body to the front grill with a highly efficient sealed system. The restrictive stock airboxes and duct feeds have been replaced with a Venturi filter housing and a duct system with smooth transitions to allow the airflow to remain full and laminar. The resulting performance gains and aesthetics are industry leading for this platform.
The Eventuri Difference:
The B8 S4/S5 Eventuri system uses our Patent Pending Carbon fibre Housings which provide an aerodynamically efficient airflow path from the filters to the throttle bodies. Not just another cone filter with a heat shield but a unique design which invokes the Venturi affect.
Each intake system consists of:
- Carbon Fibre Venturi housing
- High Flow Double Cone Air Filter
- Aluminium Cowls for smooth airflow entry
- Carbon Fibre Inlet Tubes with smooth taper
- Carbon Fibre Intake Duct with secondary inlet and flexible tubing
- Carbon Fibre Front Scoop
- Laser Cut Stainless Steel Scoop Extension Plate
- High Quality Silicon Couplers and OEM Spec Hose Clamps
- Breather filter with adapter and laser cut bracket
The filter housing comprises of a high flow filter, aluminium cowl, laser cut bracket and the carbon pods itself. The carbon pods shroud the reverse mounted filter and smoothly shape the airflow down to the intake tubes. 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.
The duct channels ambient air from the scoop to the filter housing. It fits inside the OEM ducting system and smoothly transitions to the circular filter housing shape. In order to ensure a good seal against engine bay heat - the duct also has a flexible rubber edging around the openings which press against the filter housings creating the desired seal yet allowing the housings to move with the engine. To further enhance the airflow we added a secondary inlet at the base of the duct to which a flexible tube is attached. this tube is then positioned under the headlamp where it can draw ambient air.
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