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MAF Housing, 2.7T Hitachi, 85mm ID




These 85mm Inside Diameter Hitachi 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.


 Make Model Year Range Engine
Audi S4 2000-2002 *
Audi A6 1998-2004 2.7T *
Audi Allroad 2001-2005 2.7T *

*Requires Hitachi MAF element