Milltek cat-back, Audi S4 B6 4.2 V8 (2003–2005), resonated

Milltek cat-back exhaust, Audi S4 B6 4.2 V8 (2003–2005)

This Milltek cat-back updates the exhaust note and appearance of the Audi S4 B6 4.2 V8, replacing the exhaust after the catalyst. The resonated version keeps the exhaust note more restrained.

• Pipe diameter: 57.15 mm.
• Made from 304L stainless steel.
• Tailpipes and associated parts supplied according to your selection.

Shared exhaust components

Fitment

Audi S4 4.2 V8 quattro B6 Saloon/Sedan, Avant, & Cabriolet (2003–2005)