The Redstar Downpipe Resonator Delete System pairs Redstar's downpipes with its front resonator delete (the section directly behind them) for the 4.0-litre twin-turbo V8 in the 2020-on Audi RSQ8 (including RSQ8 Performance), SQ8 and SQ7 (all 4M), 2019-on Bentley Bentayga V8, 2018-on Porsche Cayenne Turbo (9Y0), 2021-on Cayenne Turbo GTS (9Y0) and 2024-on Cayenne S 4.0.
Key Features
- Step 1 - Downpipes: Non-OPF or OPF version; HJS HD 200cpsi 130 mm or 143 mm, GESI GEN2 400cpsi 5" (UHO+) or 6" (UHOX) cats, or catless
- Step 2 - Resonator Delete: Front resonator delete
- Every part with or without heat shield
- Bolt-on with OEM-spec flanges and factory brackets and mounts
Specifications
- Material: 2.0 mm wall stainless steel (304 on the resonator delete)
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD (downpipes)
Non OPF version
Required - choose one: Catalytic Converter
40TT-DP130Required: choose oneRedstar HJS HD 200CPSI 130 mm Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Redstar's downpipes for the petrol 4.0-litre twin-turbo V8 replace the factory downpipes directly after the turbochargers. One design covers the Lamborghini Urus (including Performante and S), Audi RSQ8 (4M) / SQ8 (4M) / SQ7 (4M), Porsche Cayenne Turbo / Turbo S E-Hybrid / Turbo GT / GTS (9Y0) and 2024-on Cayenne S 4.0, and the Bentley Bentayga V8 (not the W12). Each set is a bolt-on replacement using the factory brackets and mounts, with faster turbo spool, sharper throttle response, lower under-bonnet temperatures and a fuller V8 note as Redstar's stated aims.
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: HJS HD 200cpsi 130 mm
- Heat shield: Not included
- OPF vehicle: No
40TT-DP130-HSRequired: choose oneRedstar Heat Shielded HJS HD 200CPSI 130 mm Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: HJS HD 200cpsi 130 mm
- Heat shield: Included
- OPF vehicle: No
40TT-DP143Required: choose oneRedstar HJS HD 200CPSI 143 mm Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: HJS HD 200cpsi 143 mm
- Heat shield: Not included
- OPF vehicle: No
40TT-DP143-HSRequired: choose oneRedstar Heat Shielded HJS HD 200CPSI 143 mm Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: HJS HD 200cpsi 143 mm
- Heat shield: Included
- OPF vehicle: No
40TT-DP50Required: choose oneRedstar GESI GEN2 UHO+ 400CPSI 5" Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: GESI GEN2 UHO+ 400cpsi 5"
- Heat shield: Not included
- OPF vehicle: No
40TT-DP50-HSRequired: choose oneRedstar Heat Shielded GESI GEN2 UHO+ 400CPSI 5" Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: GESI GEN2 UHO+ 400cpsi 5"
- Heat shield: Included
- OPF vehicle: No
40TT-DP60Required: choose oneRedstar GESI GEN2 UHOX 400CPSI 6" Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: GESI GEN2 UHOX 400cpsi 6"
- Heat shield: Not included
- OPF vehicle: No
40TT-DP60-HSRequired: choose oneRedstar Heat Shielded GESI GEN2 UHOX 400CPSI 6" Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: GESI GEN2 UHOX 400cpsi 6"
- Heat shield: Included
- OPF vehicle: No
40TT-DPCLRequired: choose oneRedstar Catless Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- 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.
40TT-DPCL-HSRequired: choose oneRedstar Heat Shielded Catless Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: Catless
- Heat shield: Included
- OPF vehicle: No
Note For off-road and motorsport use only.
Required - choose one: Resonator Delete
40TT-RDRequired: choose oneRedstar Stainless Steel Front Resonator Delete for Audi RSQ8/SQ8/SQ7 / Bentley Bentayga / Porsche Cayenne S V8/Turbo/GTS
Redstar's front resonator delete replaces the factory front resonator section that sits directly behind the downpipes on 4.0-litre twin-turbo V8 SUVs: the Audi RSQ8 (including RSQ8 Performance), SQ8 and SQ7, the Bentley Bentayga V8, and the Porsche Cayenne Turbo and Turbo GTS (9Y0) and 2024-on Cayenne S V8. Removing the resonator frees exhaust flow, which Redstar says brings faster spool, better throttle response and a deeper exhaust tone. The section is fully bolt-on, using OEM-spec flanges with all brackets and mounts as on the factory unit.
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall 304 stainless steel
- OEM-spec flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Installation: Bolt-on
- Heat shield: Not included
40TT-RD-HSRequired: choose oneRedstar Heat Shielded Stainless Steel Front Resonator Delete for Audi RSQ8/SQ8/SQ7 / Bentley Bentayga / Porsche Cayenne S V8/Turbo/GTS
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall 304 stainless steel
- OEM-spec flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Installation: Bolt-on
- Heat shield: Included
OPF version
Required - choose one: Catalytic Converter
40TT-DP130-OPFRequired: choose oneRedstar HJS HD 200CPSI 130 mm OPF Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Redstar's downpipes for the petrol 4.0-litre twin-turbo V8 replace the factory downpipes directly after the turbochargers. One design covers the Lamborghini Urus (including Performante and S), Audi RSQ8 (4M) / SQ8 (4M) / SQ7 (4M), Porsche Cayenne Turbo / Turbo S E-Hybrid / Turbo GT / GTS (9Y0) and 2024-on Cayenne S 4.0, and the Bentley Bentayga V8 (not the W12). Each set is a bolt-on replacement using the factory brackets and mounts, with faster turbo spool, sharper throttle response, lower under-bonnet temperatures and a fuller V8 note as Redstar's stated aims.
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- 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.
40TT-DP130-OPF-HSRequired: choose oneRedstar Heat Shielded HJS HD 200CPSI 130 mm OPF Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: HJS HD 200cpsi 130 mm
- Heat shield: Included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
40TT-DP143-OPFRequired: choose oneRedstar HJS HD 200CPSI 143 mm OPF Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: HJS HD 200cpsi 143 mm
- Heat shield: Not included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
40TT-DP143-OPF-HSRequired: choose oneRedstar Heat Shielded HJS HD 200CPSI 143 mm OPF Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: HJS HD 200cpsi 143 mm
- Heat shield: Included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
40TT-DP50-OPFRequired: choose oneRedstar GESI GEN2 UHO+ 400CPSI 5" OPF Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: GESI GEN2 UHO+ 400cpsi 5"
- Heat shield: Not included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
40TT-DP50-OPF-HSRequired: choose oneRedstar Heat Shielded GESI GEN2 UHO+ 400CPSI 5" OPF Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: GESI GEN2 UHO+ 400cpsi 5"
- Heat shield: Included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
40TT-DP60-OPFRequired: choose oneRedstar GESI GEN2 UHOX 400CPSI 6" OPF Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: GESI GEN2 UHOX 400cpsi 6"
- Heat shield: Not included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
40TT-DP60-OPF-HSRequired: choose oneRedstar Heat Shielded GESI GEN2 UHOX 400CPSI 6" OPF Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: GESI GEN2 UHOX 400cpsi 6"
- Heat shield: Included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
40TT-DPCL-OPFRequired: choose oneRedstar Catless OPF Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: Catless
- Heat shield: Not included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
40TT-DPCL-OPF-HSRequired: choose oneRedstar Heat Shielded Catless OPF Downpipes for Audi RSQ8/SQ8 / Lamborghini Urus / Porsche Cayenne S/Turbo/GT/GTS V8
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall stainless steel
- OEM-spec V-band flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo petrol V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Drive side: LHD and RHD
- Catalytic converter: Catless
- Heat shield: Included
- OPF vehicle: Yes
Note For off-road and motorsport use only.
Required - choose one: Resonator Delete
40TT-RDRequired: choose oneRedstar Stainless Steel Front Resonator Delete for Audi RSQ8/SQ8/SQ7 / Bentley Bentayga / Porsche Cayenne S V8/Turbo/GTS
Redstar's front resonator delete replaces the factory front resonator section that sits directly behind the downpipes on 4.0-litre twin-turbo V8 SUVs: the Audi RSQ8 (including RSQ8 Performance), SQ8 and SQ7, the Bentley Bentayga V8, and the Porsche Cayenne Turbo and Turbo GTS (9Y0) and 2024-on Cayenne S V8. Removing the resonator frees exhaust flow, which Redstar says brings faster spool, better throttle response and a deeper exhaust tone. The section is fully bolt-on, using OEM-spec flanges with all brackets and mounts as on the factory unit.
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall 304 stainless steel
- OEM-spec flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Installation: Bolt-on
- Heat shield: Not included
40TT-RD-HSRequired: choose oneRedstar Heat Shielded Stainless Steel Front Resonator Delete for Audi RSQ8/SQ8/SQ7 / Bentley Bentayga / Porsche Cayenne S V8/Turbo/GTS
Key Features
- 100% bolt-on installation
- 100% TIG welded and back purged
- 2.0 mm wall 304 stainless steel
- OEM-spec flanges
- All brackets and mounts as on the OEM unit
Specifications
- Engine: 4.0L twin-turbo V8
- Wall thickness: 2.0 mm
- Construction: 100% TIG welded and back purged
- Installation: Bolt-on
- Heat shield: Included
Note Catless and all OPF-version downpipes: off-road and motorsport use only, not for public roads.
Note Choose the OPF version if your car has an OPF.
Note Bentley Bentayga V8 only, not the W12.
Note Lamborghini Urus, Cayenne Turbo S E-Hybrid and Cayenne Turbo GT: downpipes only, not this system.
