Porsche 991 Turbo Black Carbon intake

Awesome lightweight carbon intake system from Eventuri brand — world known manufacturer of performance intake systems. Not only highest quality carbon and crazy outside appearance under specific Porsche 911 «hood», but patented technology of high-flow air filters and air flow distribution. Bolt-on installation, cooler air at intake and improved performance as a result.  What else do you need for your 911 Turbo (S), Porsche-guy?

Eventuri 991 Porsche intake system has developed a great technical solution through extensive real world testing and airflow simulation analysis. The resulting system is very efficient and reduces the resistance to the turbos by giving a smooth path for the airflow to travel through.

By replacing the single stock airbox with individual patented Venturi filter housings, the turbos are able to spool and generate boost with less drag. As a result, the wastegate duty cycles are reduced resulting in peak boost at lower RPM and therefore performance is increased. The two individual filters provide a larger filtration area as compared to the single stock panel filter. Furthermore, in order to keep inlet air temperatures down, the Venturi housings are sealed against an air duct which draws ambient air from the same location as the stock system. Since the 911 Turbo engine bay is densely packed, high IATs can only be avoided by ensuring a fully sealed intake system. The combination of a smoother airflow path to each turbo with low IATs results in higher performance and a sharper throttle response over the stock airbox.

The intake filter housings comprise of  bespoke generation 2 filters, aluminium inlet cowls, the carbon pods and integrated tubes. The carbon pods shroud the reverse mounted filters and smoothly shape the airflow down to the stock turbo inlet tubes. By separating the inlet path and having a dedicated filter for each turbo, the intake allows the turbos to function more efficiently. Crucially, the Venturi housings organically extend with a smooth curve from the filter opening to the stock turbo tubing. This ensures that the airflow remains as smooth as possible throughout the system. Smooth airflow results in less drag and therefore the turbos can reach peak boost sooner in the RPM range. It also means that the throttle response feels sharper.

Eventuri patented filter housings have a smooth reduction in cross sectional area as they shroud the filters and taper down to the tubing. This geometry invokes the Venturi effect where the airflow accelerates whilst maintaining laminar conditions. Eventuri bespoke filters aid the airflow moving through the housings and allow for an even velocity profile as the airflow exits the housings.

The intake duct seals against the underside of the boot-lid using the stock rubber cushion and then extends down to seal against the filter housings. Crafted from 100% prepreg carbon fiber the intake duct ensures that the intake pulls in ambient air only and not heated engine bay air. Again in order to maximise flow efficiency the transition from the circular openings for the filter housings to the single air entry point is as smooth as possible. The duct also features 2 drain tubes which direct water away from the filters. The tubes are designed such that the intakes will draw a minimum amount of air from within the engine bay due to the larger flow resistance in the tubes as compared to the opening at the top of the duct. The complex geometry of the duct was necessary to clear the various components in the engine bay of the 991 Turbo (S).

The brackets are laser cut from stainless steel and powder coated. Eventuri went to great lengths to ensure that the intakes have a precision fitment using the stock airbox mounting locations. The brackets not only brace the intakes to the chassis but also allow engine components to be secured as they are with the stock airbox. In order to save weight, each bracket has purposely shaped cutouts which remove material yet allow the overall structure to remain rigid.

Features:
 

• Highest quality carbon fiber and air-filters material
• Increased air-flow area
• Sharper throttle response
• Incredible outlook and appearance under «hood»
• Faster acceleration time even without remap (just think how fast it will after appropriate software tune)
• Aerodynamically more effecient air flow per intake box
• Custom housings provide a smooth transition from the filters to the intake tubes keeping airflow laminar.

Compatibility list:

Porsche 911 Turbo (S)  991.1
Porsche 911 Turbo (S)  991.2