Unitronic Carbon Fiber Inlet for B9 RS4 / RS5 2.9TFSI


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This Carbon Fiber Turbo Inlet for the B9 and B9.5 Audi RS 4 and RS 5 is designed to dramatically improve airflow with massive gains over stock while supporting both the stock turbochargers and hybrid turbochargers via Unitronic's clever 48mm and 51mm adapter rings.

Constructed of high quality 2/2 twill carbon fiber, this Turbo Inlet features a larger bore to draw massive amounts of air then with the help of its integrated divider, sends equal amounts of air to the individual turbochargers. A factory style PCV connection is maintained for OEM-level fitment as well.
Features / Benefits
  • 2/2 Twill prepreg carbon fiber weave
  • Autoclave construction
  • Modular adapter rings (48mm or 51mm) for stock turbochargers or TTE720 hybrid turbochargers
  • Direct bolt-on fitment with OEM Mounting Locations
  • Smooth airflow transitions
  • Proven airflow gains
Hardware Included
  • Carbon Fiber Turbo Inlet
  • All Necessary Hardware


At Unitronic, evolution begins with rapid prototyping utilizing our in-house Stratasys 3D printer. Within hours, Unitronic Engineers are able to have a complete working printed prototype, allowing for test fitments to be performed on the vehicle, functional testing to be completed and flow data collected to further validate the designs.
Proven Airflow Gains
Unitronic Hardware Engineers carefully benchmarked the OEM Audi RS5 turbo inlet versus the Unitronic Turbo Inlet in a controlled environment using our in-house Superflow SF-1020 flow bench. Our team observed massive air flow gains with the UnitronicTurbo Inlet. This drastic air flow improvement allows the turbochargers to work more efficiently and achieve target boost with less stress resulting in improved reliability.
The Unitronic Carbon Fiber Turbo Inlet for 2.9TFSI EA839 equipped vehicles installs simply with all necessary hardware included. Total installation time can take approximately one to two hours including the removal of the factory turbo inlet.