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CNC machined in-house from billet aluminum, these MAF housings are perfect for use in upgraded turbo cars with larger injectors and appropriate software.


  • Precision CNC machined to the tightest tolerances
  • Constant 85mm inside diameter for use with most K04/BT software
  • 3.5″ or 89mm OD hose connections
  • Precisely machined flange for Bosch MAF element
  • Engraved “034Motorsport” logo


  • 2000 – 2000.5 Audi S4/RS4 (B5)
    • 2.7T
  • 1998 – 2000.5 Audi A6 (C5)
    • 2.7T

Please Note:

  • Optional airbox adapter pieces designed to work with either the factory S4 or RS4 airbox are sold separately.

Included Taxes & Checkup

Short Description

These 85mm Inside Diameter Bosch MAF Housings are designed for use in modified B5 Audi S4/RS4 & C5 Audi A6/Allroad 2.7T cars running upgraded RS4 K04 or larger turbos with appropriate software and matching fuel injectors.

Precision CNC machined in-house from billet aluminum, these housings maintain a constant 85mm inside diameter, and can be used with our stock airbox adapters, or 3.5″ silicone couplers.

SKU: 034-108-6006 Categories: , ,
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