Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only

2016 and Later

1. Active Valve Control - Uses ESP button and drive select

Part Description	Tailpipe Style


· Active Valve Control System

Pipe Diameter: 63.50mm (2.50")

2. HJS Tuning ECE Downpipes - Fits with OE and Milltek Sport Cat back Systems (EC Approved)

Part Description	Tailpipe Style


· HJS ECE Downpipe Euro 6 200CPSI

Pipe Diameter: 63.50mm (2.50")

3. Cat-back - Cat Back Resonated with Quad GT-100 Cerakote Black Trims EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Cerakote Black Tips	Quad 100mm GT100

Pipe Diameter: 63.50mm (2.50")

4. Cat-back - Cat Back Resonated with Quad Cerakote Black Oval Trims EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Cerakote Black Velvet Oval Tips

Pipe Diameter: 63.50mm (2.50")

5. Cat-back - Cat Back Resonated with Quad GT-100 Burnt Titanium Trims EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Burnt Titanium GT-100 Trims	Quad 100mm GT100

Pipe Diameter: 63.50mm (2.50")

6. Cat-back - Cat Back Resonated with Quad GT-100 Polished Trims EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Polished Tips	Quad 100mm GT100

Pipe Diameter: 63.50mm (2.50")

7. Cat-back - Cat Back Resonated with Quad GT-100 Titanium Trims EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Titanium Tips	Quad 100mm GT100

Pipe Diameter: 63.50mm (2.50")

8. Cat-back - Cat Back Resonated with Quad GT-90 Burnt Titanium Trims EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· 90mm Burnt Titanium Trims	Quad 90mm GT90

Pipe Diameter: 63.50mm (2.50")

9. Cat-back - Cat Back Resonated with Quad GT-90 Cerakote Black Trims EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Cerakote Black Tip Assembly	Quad 90mm GT90

Pipe Diameter: 63.50mm (2.50")

10. Cat-back - Cat Back Resonated with Quad GT-90 Polished Trims EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Polished Tip Assembly	Quad 90mm GT90

Pipe Diameter: 63.50mm (2.50")

11. Cat-back - Cat Back Resonated with Quad GT-90 Titanium Trims EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Titanium Tip Assembly	Quad 90mm GT90

Pipe Diameter: 63.50mm (2.50")

12. Cat-back - Cat Back Resonated with Quad JET-100 Carbon Trims - EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Carbon Jet-100 Trims (To Fit 63.5mm OD Outlets)	102 Jet

Pipe Diameter: 63.50mm (2.50")

13. Cat-back - Cat Back Resonated with Quad Polished Oval Trims EC Approved

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· Front Silencer
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Polished Oval Tips

Pipe Diameter: 63.50mm (2.50")

14. Cat-back - Cat Back Non-Resonated (Louder) with Quad Cerakote Black Oval Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Cerakote Black Velvet Oval Tips

Pipe Diameter: 63.50mm (2.50")

15. Cat-back - Cat Back Non-Resonated (Louder) with Quad GT-100 Burnt Titanium Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Burnt Titanium GT-100 Trims	Quad 100mm GT100

Pipe Diameter: 63.50mm (2.50")

16. Cat-back - Cat Back Non-Resonated (Louder) with Quad GT-100 Cerakote Black Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Cerakote Black Tips	Quad 100mm GT100

Pipe Diameter: 63.50mm (2.50")

17. Cat-back - Cat Back Non-Resonated (Louder) with Quad GT-100 Polished Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Polished Tips	Quad 100mm GT100

Pipe Diameter: 63.50mm (2.50")

18. Cat-back - Cat Back Non-Resonated (Louder) with Quad GT-100 Titanium Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Titanium Tips	Quad 100mm GT100

Pipe Diameter: 63.50mm (2.50")

19. Cat-back - Cat Back Non-Resonated (Louder) with Quad GT-90 Burnt Titanium Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· 90mm Burnt Titanium Trims	Quad 90mm GT90

Pipe Diameter: 63.50mm (2.50")

20. Cat-back - Cat Back Non-Resonated (Louder) with Quad GT-90 Cerakote Black Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Cerakote Black Tip Assembly	Quad 90mm GT90

Pipe Diameter: 63.50mm (2.50")

21. Cat-back - Cat Back Non-Resonated (Louder) with Quad GT-90 Polished Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Polished Tip Assembly	Quad 90mm GT90

Pipe Diameter: 63.50mm (2.50")

22. Cat-back - Cat Back Non-Resonated (Louder) with Quad GT-90 Titanium Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Titanium Tip Assembly	Quad 90mm GT90

Pipe Diameter: 63.50mm (2.50")

23. Cat-back - Cat Back Non-Resonated (Louder) with Quad JET-100 Carbon Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Carbon Jet-100 Trims (To Fit 63.5mm OD Outlets)	102 Jet

Pipe Diameter: 63.50mm (2.50")

24. Cat-back - Cat Back Non-Resonated (Louder) with Quad Polished Oval Trims

Part Description	Tailpipe Style


· LH Lower Downpipe (LHD Cars Only)
· RH Lower Downpipe (Both LHD & RHD)
· LH Front Silencer Rep Pipe
· RH Front Silencer Rep Pipe
· Connecting Pipe Assembly
· LH Rear Silencer with Valve
· RH Rear Silencer with Valve
· LH Mounting Bracket
· RH Mounting Bracket
· Polished Oval Tips

Pipe Diameter: 63.50mm (2.50")

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