Convertidor catalítico no aprobado + kit de montaje para AUDI A4 B6 3.0 izquierda ASN
AUDI A4 B6 (8E2) 3.0 quattro Saloon Petrol 01/2001 02/2001 AWD 30 220 162. Type Catalytic Converter. It works by converting exhaust emissions into less harmful ones when the gasses pass through it, triggering a chemical reaction.