Audi S4 B9 Exhausts

Vehicles / Audi / Audi S4 (B9)

The Audi S4 B9 turns a 3.0 litre turbo V6 into a discreet all-rounder with genuine pace. Milltek offers performance exhaust systems for the S4 B9, with different setups depending on whether your car runs the sport differential. Pick your fitment below. Every system is engineered from T304L stainless steel and built for the emotion.

Not sure which setup suits your S4? Our System Education guide explains resonated versus non-resonated, cat-back versus turbo-back, and valved options so you can choose with confidence.

Non Sport Differential Models

RacingLine Wheel Nut / Tapered

RacingLine Wheel Nut / Tapered

VWR630008

Total
$6.47 $5.82 $6.47 $5.82

RacingLine Wheel Mounting Guide pin

RacingLine Wheel Mounting Guide pin

VWR630100

Total
$26.64 $23.98 $26.64 $23.98

RacingLine Front Brace Frame / Audi A4 B9

RacingLine Front Brace Frame / Audi A4 B9

VWR814100

Total
$525.25 $472.73 $525.25 $472.73

Active Valve Control System

Active Valve Control System

SSXAU677

Total
$809.99 $728.99 $809.99 $728.99

Sport Differential Models

RacingLine Wheel Nut / Tapered

RacingLine Wheel Nut / Tapered

VWR630008

Total
$6.47 $5.82 $6.47 $5.82

RacingLine Wheel Mounting Guide pin

RacingLine Wheel Mounting Guide pin

VWR630100

Total
$26.64 $23.98 $26.64 $23.98

RacingLine Front Brace Frame / Audi A4 B9

RacingLine Front Brace Frame / Audi A4 B9

VWR814100

Total
$525.25 $472.73 $525.25 $472.73

Active Valve Control System

Active Valve Control System

SSXAU677

Total
$809.99 $728.99 $809.99 $728.99