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The BMC Carbon Dynamic Airbox for 1997–2002 Audi S4 with the 2.7L biturbo engine is a model-specific carbon intake housing that replaces the stock airbox. It provides a tailored enclosure for the appropriate BMC filter element, maintaining intake routing and duct connections while offering a compact carbon housing intended to support consistent airflow for the 2.7L biturbo application.
BMC 97-02 Audi S4 I Series 2.7L Biturbo Carbon Dynamic Airbox Kit
