Milltek Resonated Cat-Back Exhaust | Audi B9 S5 - Cerakote Black Tips
SKU: SSXAU1121
Parts
- MSAU693: LH Downpipe - MSAU693
- MSAU694: RH Downpipe - MSAU694
- MSAU695: Front Silencer - MSAU695
- MSAU699: LH Rear Silencer with Valve - MSAU699
- MSAU701: LH Mounting Bracket - MSAU701
- MSAU702: RH Mounting Bracket - MSAU702
- MSAU849: Connecting Pipe (SD & Brace Bars)
- MSAU850: RH Rear Silencer with Valve (SD & Brace Bars)
- MSVW372: Cerakote Black GT (round) 100 Exhaust Tip, Standard - MSVW372
Description
Milltek 2.50" Resonated Quad Outlet Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo. Direct factory fitment for Coupe and Sportback models (Sport Diff with Brace Bars, 2017+). T304L stainless steel construction with CNC-formed Cerakote Black quad trims.
The resonated design eliminates drone at cruise while preserving full-throttle character. 2.50" mandrel-bent tube diameter (63.50mm) improves exhaust scavenging over OEM. Hand-finished welds and TIG construction throughout. Uses OEM hangers and suspension points-no modification required. Direct replacement for factory cat-back section; turbo and downpipe remain stock.
Fitment
- Audi S5 B9 3.0 V6 Turbo Coupe (Sport Diff models with Brace Bars, 2017+)
- Audi S5 B9 3.0 V6 Turbo Sportback (Sport Diff models with Brace Bars, 2017+)
Construction & Specifications
- Material: T304L stainless steel
- Pipe diameter: 2.50" (63.50mm), mandrel-bent
- Resonated: Yes-engineered for OE+ tone without cruise drone
- Outlet finish: Cerakote Black quad trims, hand-polished
- Installation: Direct fitment, OEM hangers, no cuts or modifications
This system reflects our commitment to OEM+ fitment, engineered tone character, and precision stainless fabrication-all manufactured to exacting standards.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Key Facts
| Pipe Diameter | 63.50 |
| 1 to 1.5 hours to fit (including removing OE system) | |
| Race Product | No |
| EMarked | No |
System Fitment List
Shipping Information
This system ships in 2 boxes.
Similar Products
Milltek Resonated Cat-Back Exhaust | Audi B9 S5 3.0 V6
SSXAU1120MP
Total
$3752.49
$3039.52
$3752.49
$3039.52
Milltek Non-Resonated Cat-Back Exhaust | Audi S5 B9
SSXAU1118MP
Total
$3507.46
$2841.04
$3507.46
$2841.04
Active Valve Control System
SSXAU677
Total
$809.99
$656.09
$809.99
$656.09
MO
Milltek HJS Hi-Flow Sports Cat and Downpipe | Audi S4 B9
SSXAU673
Total
$3374.78
$2733.57
$3374.78
$2733.57
Best Sellers
Milltek Road+ Cat-Back Exhaust | VW Golf MK7.5 GTI
SSXVW470MP
Total
$1735.54
$1405.79
$1735.54
$1405.79
Milltek Race 80mm Cat-Back Exhaust | VW Golf MK8 GTI
SSXVW681MP
Total
$1448.78
$1173.51
$1448.78
$1173.51
MO
Milltek Secondary Catalyst Bypass (Fits to OE System Only) | Porsche Cayenne 958 Turbo 4.8 V8 (Pre-Facelift)
SSXPO182
Total
$492.20
$398.68
$492.20
$398.68
MO
Milltek Valved & Non-Resonated Cat-Back Exhaust | Toyota GR Corolla 1.6T
SSXTY151MP
Total
$4272.51
$3460.73
$4272.51
$3460.73
EC
Milltek OPF/GPF Back Exhaust | Land Rover Defender 130 P300 P400e - Burnt Titanium Tips
SSXLR217
Total
$3710.76
$3005.71
$3710.76
$3005.71
Milltek Secondary Catalyst Bypass (Fits to OE System Only) | Porsche 958 Cayenne S 4.8 V8 (Non-Turbo)
SSXPO204
Total
$492.20
$398.68
$492.20
$398.68
Milltek Secondary Catalyst Bypass Exhaust | Ford Maverick 2.0T AWD
SSXFD547MP
Total
$202.98
$164.41
$202.98
$164.41
Milltek Secondary Cat-Back with Side Exit | Ford Maverick 2.0T AWD
SSXFD545MP
Total
$888.51
$719.69
$888.51
$719.69
Milltek Resonated Cat-Back Exhaust | VW Golf MK7 Alltrack 1.8TSI-Titanium Tips
SSXVW754
Total
$2111.11
$1710.00
$2111.11
$1710.00
Milltek HJS Hi-Flow Sports Cat (w/ Heat Wrap) | Chevrolet C8 Corvette Z06
SSXCH111
Total
$3321.28
$2690.24
$3321.28
$2690.24