Redstar stainless steel downpipes and front resonator delete mid-pipes for the 2.9L twin-turbo V6 Audi S6 Sedan / Avant and S7 Sportback (C8), 2019-2025 (downpipes listed for C8 and C8.5). Build it in order: the OPF or non-OPF set, then the catalytic converter (catless, HJS HD 200cpsi 130 mm or 143 mm, or GESI GEN2 400cpsi UHO+ 5" or UHOX 6"), then the resonator delete, each with or without a heat shield.
Key Features
- Flow-optimised downpipe design for faster turbo spool, sharper throttle response and lower under-bonnet temperatures
- Deleting the OE resonator adds exhaust tone
- 100% bolt-on, retaining all OEM brackets and mounts
Specifications
- Material: Stainless steel, 2.0 mm wall, 100% TIG welded and back purged
- Downpipe flanges: OEM-spec V-band
- Drive side: RHD and LHD
Non OPF version
Required - choose one: Catalytic Converter
C8S6-DP130Required: choose oneRedstar HJS HD 200CPSI 130 mm Downpipes for Audi S6 (C8) / S7 (C8)
Redstar's downpipes for the Audi S6 (C8) / S7 (C8) replace the factory downpipes on the 2.9-litre twin-turbo V6, covering 2019-2025 C8 and C8.5 S6 Sedan and Avant and S7 Sportback models. Redstar uses a flow-optimised smooth transition design, aiming for faster turbo spool, sharper throttle response, lower under-bonnet temperatures and an improved exhaust tone. They are a bolt-on installation using OEM-spec V-band flanges and the same brackets and mounts as the original units, and Redstar lists them as suitable for both right- and left-hand-drive cars.
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: HJS HD 200cpsi 130 mm
- Heat shield: Not included
- OPF vehicle: No
C8S6-DP130-HSRequired: choose oneRedstar Heat Shielded HJS HD 200CPSI 130 mm Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: HJS HD 200cpsi 130 mm
- Heat shield: Included
- OPF vehicle: No
C8S6-DP143Required: choose oneRedstar HJS HD 200CPSI 143 mm Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: HJS HD 200cpsi 143 mm
- Heat shield: Not included
- OPF vehicle: No
C8S6-DP143-HSRequired: choose oneRedstar Heat Shielded HJS HD 200CPSI 143 mm Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: HJS HD 200cpsi 143 mm
- Heat shield: Included
- OPF vehicle: No
C8S6-DP50Required: choose oneRedstar GESI GEN2 UHO+ 400CPSI 5" Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: GESI GEN2 UHO+ 400cpsi 5"
- Heat shield: Not included
- OPF vehicle: No
C8S6-DP50-HSRequired: choose oneRedstar Heat Shielded GESI GEN2 UHO+ 400CPSI 5" Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: GESI GEN2 UHO+ 400cpsi 5"
- Heat shield: Included
- OPF vehicle: No
C8S6-DP60Required: choose oneRedstar GESI GEN2 UHOX 400CPSI 6" Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: GESI GEN2 UHOX 400cpsi 6"
- Heat shield: Not included
- OPF vehicle: No
C8S6-DP60-HSRequired: choose oneRedstar Heat Shielded GESI GEN2 UHOX 400CPSI 6" Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: GESI GEN2 UHOX 400cpsi 6"
- Heat shield: Included
- OPF vehicle: No
C8S6-DPCLRequired: choose oneRedstar Catless Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: Catless
- Heat shield: Not included
- OPF vehicle: No
Note For off-road and motorsport use only. This part is not designed to meet emissions or noise standards and is not for use on public roads.
C8S6-DPCL-HSRequired: choose oneRedstar Heat Shielded Catless Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: Catless
- Heat shield: Included
- OPF vehicle: No
Note For off-road and motorsport use only.
Required - choose one: Resonator Delete
C8S6-RDRequired: choose oneRedstar Stainless Steel Front Resonator Delete for Audi S6 (C8) / S7 (C8)
Redstar's resonator delete mid-pipes replace the factory resonator section on the Audi S6 (C8) / S7 (C8) with the 2.9L twin-turbo V6, covering the 2019-2025 S6 sedan and Avant and the S7 Sportback. Removing the OE resonator adds tone to the exhaust note. The mid-pipes are a 100% bolt-on installation, retain all of the brackets and mounts of the OEM unit and suit both left- and right-hand-drive cars.
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- All brackets and mounts as on the OEM unit
- LHD/RHD compliant
Specifications
- Engine: 2.9L twin-turbo V6
- Wall thickness: 2.0 mm
- Years: 2019-2025
- Heat shield: Not included
C8S6-RD-HSRequired: choose oneRedstar Heat Shielded Stainless Steel Front Resonator Delete for Audi S6 (C8) / S7 (C8)
Removing the OE resonator adds tone to the exhaust note.
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- All brackets and mounts as on the OEM unit
- LHD/RHD compliant
Specifications
- Engine: 2.9L twin-turbo V6
- Wall thickness: 2.0 mm
- Years: 2019-2025
- Heat shield: Included
OPF version
Required - choose one: Catalytic Converter
C8S6-DP130-OPFRequired: choose oneRedstar HJS HD 200CPSI 130 mm OPF Downpipes for Audi S6 (C8) / S7 (C8)
Redstar's downpipes for the Audi S6 (C8) / S7 (C8) replace the factory downpipes on the 2.9-litre twin-turbo V6, covering 2019-2025 C8 and C8.5 S6 Sedan and Avant and S7 Sportback models. Redstar uses a flow-optimised smooth transition design, aiming for faster turbo spool, sharper throttle response, lower under-bonnet temperatures and an improved exhaust tone. They are a bolt-on installation using OEM-spec V-band flanges and the same brackets and mounts as the original units, and Redstar lists them as suitable for both right- and left-hand-drive cars.
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: HJS HD 200cpsi 130 mm
- Heat shield: Not included
- OPF vehicle: Yes
Note For off-road and motorsport use only. This part is not designed to meet emissions or noise standards and is not for use on public roads.
C8S6-DP130-OPF-HSRequired: choose oneRedstar Heat Shielded HJS HD 200CPSI 130 mm OPF Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: HJS HD 200cpsi 130 mm
- Heat shield: Included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
C8S6-DP143-OPFRequired: choose oneRedstar HJS HD 200CPSI 143 mm OPF Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: HJS HD 200cpsi 143 mm
- Heat shield: Not included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
C8S6-DP143-OPF-HSRequired: choose oneRedstar Heat Shielded HJS HD 200CPSI 143 mm OPF Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: HJS HD 200cpsi 143 mm
- Heat shield: Included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
C8S6-DP50-OPFRequired: choose oneRedstar GESI GEN2 UHO+ 400CPSI 5" OPF Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: GESI GEN2 UHO+ 400cpsi 5"
- Heat shield: Not included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
C8S6-DP50-OPF-HSRequired: choose oneRedstar Heat Shielded GESI GEN2 UHO+ 400CPSI 5" OPF Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: GESI GEN2 UHO+ 400cpsi 5"
- Heat shield: Included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
C8S6-DP60-OPFRequired: choose oneRedstar GESI GEN2 UHOX 400CPSI 6" OPF Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: GESI GEN2 UHOX 400cpsi 6"
- Heat shield: Not included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
C8S6-DP60-OPF-HSRequired: choose oneRedstar Heat Shielded GESI GEN2 UHOX 400CPSI 6" OPF Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: GESI GEN2 UHOX 400cpsi 6"
- Heat shield: Included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
C8S6-DPCL-OPFRequired: choose oneRedstar Catless OPF Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: Catless
- Heat shield: Not included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
C8S6-DPCL-OPF-HSRequired: choose oneRedstar Heat Shielded Catless OPF Downpipes for Audi S6 (C8) / S7 (C8)
Key Features
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel construction
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
- Flow-optimised smooth transition design
- 100% bolt-on installation
Specifications
- Engine: 2.9L twin-turbo V6
- Models: Audi S6 Sedan/Avant and S7 Sportback, C8 and C8.5 (2019-2025)
- Drive side: RHD and LHD
- Construction: 100% TIG welded and back purged
- Wall thickness: 2.0 mm
- Flanges: OEM-spec V-band
- Catalytic converter: Catless
- Heat shield: Included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
Required - choose one: Resonator Delete
C8S6-RDRequired: choose oneRedstar Stainless Steel Front Resonator Delete for Audi S6 (C8) / S7 (C8)
Redstar's resonator delete mid-pipes replace the factory resonator section on the Audi S6 (C8) / S7 (C8) with the 2.9L twin-turbo V6, covering the 2019-2025 S6 sedan and Avant and the S7 Sportback. Removing the OE resonator adds tone to the exhaust note. The mid-pipes are a 100% bolt-on installation, retain all of the brackets and mounts of the OEM unit and suit both left- and right-hand-drive cars.
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- All brackets and mounts as on the OEM unit
- LHD/RHD compliant
Specifications
- Engine: 2.9L twin-turbo V6
- Wall thickness: 2.0 mm
- Years: 2019-2025
- Heat shield: Not included
C8S6-RD-HSRequired: choose oneRedstar Heat Shielded Stainless Steel Front Resonator Delete for Audi S6 (C8) / S7 (C8)
Removing the OE resonator adds tone to the exhaust note.
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- All brackets and mounts as on the OEM unit
- LHD/RHD compliant
Specifications
- Engine: 2.9L twin-turbo V6
- Wall thickness: 2.0 mm
- Years: 2019-2025
- Heat shield: Included
Note Choose the OPF set if your car has an OPF (petrol particulate filter), otherwise the non-OPF set.
Note Catless downpipes and every OPF-car downpipe option are for off-road and motorsport use only. These parts are not designed to meet emissions or noise standards and are not for use on public roads.
