034Motorsport MAF Housing, B5 Audi S4/RS4 2.7T for Bosch Sensor, 85mm ID

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

Features:

• 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.

Fitment:

• 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.

• RS4 Airbox Adapter
• S4 Airbox Adapter

We also carry an 85mm MAF housing for the later Hitachi MAF element, which is available here: MAF Housing, 2.7T Hitachi, 85mm ID

Does not include MAF Sensor!