0 comments / Posted by Nathan Fugleberg

UroTuning is excited to announce the release of Unitronic's brand new 4" Turbo Inlet Elbow for the 2.5TFSI EA855 EVO engines, found in both the 8v.2 Audi RS3 and the 8S Audi TT RS. This wider 4" Turbo Inlet gives your vehicle a competitive advantage and helps you gain a bit of extra power on the stock turbo while also meeting the air flow demands of all the mainstream hybrid turbos that are currently available on the market.

As is the case with all of Unitronic's performance products, this 4" turbo inlet utilizes only the latest industry leading tools, equipment, and computer aided design software that is packed with the latest technology from Unitronic's partners at Creaform® and Stratasys®. These tools and technology help to achieve a design that not only optimizes airflow and speed, but also eliminates airflow hindrances restrictions that are extremely common within the OEM piece, while fitting within the tight factory engine bay constraints.

Unitronic began by 3D scanning the 2.5TFSI EVO engine bay and OEM components with it’s in-house 3D scanner. 3D models are created to identify fitment constraints, mounting locations, other component locations.

Using its in-house Superflow SF-1020 Flow Bench, Unitronic Engineers further validated designs to ensure that the Unitronic 4” Turbo Inlet effectively optimizes airflow in a variety of conditions.

The OEM inlet yielded a peak flow rate of 581 CFM at 28” of H2O (Aq), while the Unitronic 4” Turbo Inlet Elbow achieved 744 CFM, for a gain of 28% over the OEM inlet. With a product like this 4” Inlet, it was important for aspects such as positive crankcase ventilation (PCV) to be analyzed to ensure that the PCV system will continue to function as originally intended by Audi’s Engineers, allowing crankcase pressure to be properly ventilated, as we all know what can happen over the long term, when crankcase pressure is not properly managed. As a result, extra attention was spent to allow for a complete one-piece PCV design. In keeping consistent with the factory emissions and PCV systems, Unitronic’s fully integrated PCV routing functions as it was originally intended.

FEATURES

• 28% increase in flow over stock

• Proven power, torque, and airflow gains

• Modular CNC-machined billet Aluminum compressor inlet adapter rings

• Fully integrated PCV recirculation artery

• OEM PCV functionality for adequate crankcase ventilation

• Aircraft grade cast Aluminum construction

• CNC-machined mounting flanges, inlet and outlets

• Smooth airflow transitions

• Direct bolt-on fitment

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