034 85MM MAF Housing for B5 S4 2.7T - Audi A6 2.7T - Audi Allroad 2.7T

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 034 stock airbox adapters, or 3.5" silicone couplers and a cone filter.

Fits:

2000-2002 Audi S4 B5 2.7T

2000-2005 Audi A6 C5 2.7T

2000-2005 Audi Allroad C5 2.7T

Also available with S4 airbox adapter and silicone accordion hose required for connecting the larger MAF to the Y-Pipe