2005-2008 Audi S4 Muffler Torque Specs

4.2L V8

Applies to 2005, 2006, 2007, and 2008 Audi S4

Labor Time:1.4 hours

Torque Values (6 specifications)

Component	Nm	lb-ft	Notes
⚠️ Clamp Bolts	54	40	—
⚠️ Flange Bolts	41	30	Apply anti-seize
Hanger Bolts	20	15	—
Heat Shield Bolts	14	10	—
⚠️ Manifold Nuts	34	25	Apply anti-seize
⚠️ O2 Sensor	47	35	Apply anti-seize to threads

The primary torque specification for muffler on a 2005-2008 Audi S4 is 54 Nm (40 lb-ft).

There are 6 torque specifications for muffler on the 2005-2008 Audi S4 4.2L V8, covering all related fasteners and components.