Buy 2004 Audi A6 Catalytic Converter. 4.2 LITER V8. 4.2 LITER V8, 340 hp. A6/S6; Left; 2.7L; Auto Trans EXHAUST, MANIFOLD, Mnfd - OEM Audi Part # 4B3254500CX (4B3-254-500-CX, 4B3253057AX)

Converter.
Catalytic Converter. and pipe. Catalyst. Catalytic cnvrtr. Mnfd w/. Pre.

Catalytic Converter

Fits A6, S6

4.2 LITER V8. 4.2 LITER V8, 340 hp. A6/S6; Left; 2.7L; Auto Trans.