The MAF housing, with an internal diameter of 85 mm, is designed for modified Audi S4 B5 and RS4 B5 models, as well as the Audi A6/Allroad C5 with the 2.7T engine. It is suitable for vehicles with RS4 or larger turbochargers, upgraded software and larger fuel injectors.
Each CTS Turbo housing is CNC-machined on a HAAS ST-20 lathe. It can be combined with an additional adapter for the original CTS-HW-164 air filter housing.
- Made from aluminium with a raw finish
- Mounting bolts included
- For Audi S4 B5 with a Stage 3 upgrade; check the housing size with your software tuner before ordering
- For Hitachi MAF sensors only
Suitable for: Audi S4 III (B5).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Audi S4 | — | 1999–2001 | — |
Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.
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