APR 2018+ Audi B9 S4/S5 PEX Intake System

09/01/2022

APR 2018+ Audi B9 S4/S5 PEX Intake System

09/01/2022

This is the perfect intake upgrade for the Audi S4 and S5 (B9). It flows 31% more than stock, reduces pressure drop, and improves turbocharger efficiency. This directly translates to +19 AWHP and +20 AWFT-LBS of torque on top of our Stage 1 (93) tune making this a simple upgrade for more power you can feel, and does so at an incredible value.


Our system is a full upgrade as it replaces all of the intake components from the inlet scoop all the way to the turbo inlet. This is extremely important as focusing on the airbox alone does not address the main restrictions found in the factory intake system. Simply put, our system flows better than stock, makes more power, puts less strain on the turbocharger, looks great under the hood, and enhances the sound of the engine.


Grab more info on our product page.

APR Intake System

  • Full intake system: Inlet, airbox, filter, and inlet piping
  • +19 AWHP & +20 AWFT-LBS gain over stock (APR Stage 1 93)
  • Flows 31% more than stock
  • Reduced pressure drop at the turbo inlets
  • Improved linearization across the turbos
  • Enhanced engine sound
  • OEM appearing PEX construction
  • Turbos spool faster
  • Turbos operate more efficiently
  • Massive 7” x 7” filter with a 4” outlet and 5.5” frontal inlet
  • High flow and washable pleated cotton gauze filter material
  • Airbox has additional flow paths faced away from the engine
  • Inlet piping diameter is maximized from the 4” filter all the way to the turbocharger
  • Inlet piping addresses system restriction, unlike competitive airbox systems that are compatible with factory inlet piping
  • Billet turbo adapter ring make fitting this system to a larger turbo possible
  • New OEM gaskets included
  • Incredible Value
  • Emissions friendly
APR Intake System

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