Buy 2005 Audi S4 Exhaust Muffler (Rear). 4.2 LITER. 4.2 LITER, auto trans. Cabriolet S4; Rear; Right. Amplifier, Any, Fitment - OEM Audi Part # 8E0253609EC (8E0-253-609-EC)

Muffler.
A Muffler without any pipes, which are typically universal in fitment. and Amplifier; pipe. w/tpipe. Exhaust. Resonator.

Exhaust Muffler

Fits S4

4.2 LITER. 4.2 LITER, auto trans. Cabriolet S4; Rear; Right.