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Performance Exhaust Systems

Cat-backs, valved systems, downpipes

2598 products
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Polished Tips - SSXAU704
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Polished Tips - SSXAU704

Fits: S4 / S5 / RS5 B9
$3,742.86Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Burnt Titanium Tips - SSXAU703
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Burnt Titanium Tips - SSXAU703

Fits: S4 / S5 / RS5 B9
$4,406.26Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Brushed Titanium Tips - SSXAU702
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Brushed Titanium Tips - SSXAU702

Fits: S4 / S5 / RS5 B9
$3,948.30Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Cerakote Black Tips - SSXAU701
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Cerakote Black Tips - SSXAU701

Fits: S4 / S5 / RS5 B9
$3,507.46Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Polished Tips - SSXAU700
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Polished Tips - SSXAU700

Fits: S4 / S5 / RS5 B9
$3,507.46Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Cerakote Black Tips - SSXAU699
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Cerakote Black Tips - SSXAU699

Fits: S4 / S5 / RS5 B9
$4,236.13Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Burnt Titanium Tips - SSXAU697
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Burnt Titanium Tips - SSXAU697

Fits: S4 / S5 / RS5 B9
$4,651.29Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Polished Tips - SSXAU698
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Polished Tips - SSXAU698

Fits: S4 / S5 / RS5 B9
$3,987.89Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Brushed Titanium Tips - SSXAU696
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Brushed Titanium Tips - SSXAU696

Fits: S4 / S5 / RS5 B9
$4,193.33Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Cerakote Black Tips - SSXAU695
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Cerakote Black Tips - SSXAU695

Fits: S4 / S5 / RS5 B9
$3,752.49Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Cerakote Black Tips - SSXAU692
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Cerakote Black Tips - SSXAU692

Fits: S4 / S5 / RS5 B9
$4,236.13Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Polished Tips - SSXAU694
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Polished Tips - SSXAU694

Fits: S4 / S5 / RS5 B9
$3,752.49Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Polished Tips - SSXAU691
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Polished Tips - SSXAU691

Fits: S4 / S5 / RS5 B9
$3,987.89Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Cerakote Black Tips - SSXAU690
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Cerakote Black Tips - SSXAU690

Fits: S4 / S5 / RS5 B9
$3,990.03Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe/Cabriolet - Polished Tips - SSXAU689
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe/Cabriolet - Polished Tips - SSXAU689

Fits: S4 / S5 / RS5 B9
$3,741.79Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Brushed Titanium Tips - SSXAU687
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Brushed Titanium Tips - SSXAU687

Fits: S4 / S5 / RS5 B9
$3,947.23Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Burnt Titanium Tips - SSXAU688
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Burnt Titanium Tips - SSXAU688

Fits: S4 / S5 / RS5 B9
$4,405.19Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Cerakote Black Tips - SSXAU686
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Cerakote Black Tips - SSXAU686

Fits: S4 / S5 / RS5 B9
$3,506.39Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Polished Tips - SSXAU685
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Polished Tips - SSXAU685

Fits: S4 / S5 / RS5 B9
$3,506.39Available
Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Carbon Fibre Tips - SSXAU684
Milltek

Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Carbon Fibre Tips - SSXAU684

Fits: S4 / S5 / RS5 B9
$3,874.47Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Burnt Titanium Tips - SSXAU682
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Burnt Titanium Tips - SSXAU682

Fits: S4 / S5 / RS5 B9
$4,651.29Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Carbon Fibre Tips - SSXAU683
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Carbon Fibre Tips - SSXAU683

Fits: S4 / S5 / RS5 B9
$4,120.57Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Brushed Titanium Tips - SSXAU681
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Brushed Titanium Tips - SSXAU681

Fits: S4 / S5 / RS5 B9
$4,193.33Available
Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Cerakote Black Tips - SSXAU680
Milltek

Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Cerakote Black Tips - SSXAU680

Fits: S4 / S5 / RS5 B9
$3,752.49Available