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S4
- 3.0 Bi-TDI B9 Saloon/Avant (Diesel)
- 3.0 Supercharged V6 B8
- 3.0 Supercharged V6 B8.5
- 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models)
- 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only & Without Brace Bars)
- 4.2 V8 quattro B6 Saloon/Sedan Avant & Cabriolet
- 4.2 V8 quattro B7 Saloon/Sedan Avant & Cabriolet
- 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only
- 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Right Hand Drive Cars Only
- 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only & Without Brace Bars) - Left Hand Drive Cars Only
- 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only & Without Brace Bars) - Right Hand Drive Cars Only
- 2.7T quattro B5
Resonated. For fitment to OEM Catalysts ECE Approved (RS4 B5 Style - Requires Rear Diffuser to be modified)
Non-Resonated. For fitment to OEM Catalysts (RS4 B5 Style - Requires Rear Diffuser to be modified)
V2 with 8 Selectable Sound Files
Race Version. Dual Cerakote Black Oval Tips
EC-Approved. Quad Polished Tips.
EC-Approved. Dual Oval Cerakote Black Tips
Race Version. Quad Polished Tips
ValveSonic Electronic Valved System
EC-Approved. Quad Cerakote Black Tips
Race Version. Quad Cerakote Black Tips
Quad Outlet Polished Tips - EC Approved
Quad Outlet Ceramic Black Tips - EC Approved
Race Version. Quad Outlet Ceramic Black Tips
Race Version. Quad Outlet Polished Tips
ValveSonic Electronic Valved System. Black Velvet Tips
ValveSonic Electronic Valved System. Polished Tips
ValveSonic Electronic Valved System. Titanium Tips
Uses ESP button and drive select
Cat Bypass fits with OE and Milltek Sport Cat back Systems
Cat Back Resonated with Quad GT-100 Polished Trims EC Approved
Cat Back Resonated with Quad GT-100 Cerakote Black Trims EC Approved
Cat Back Resonated with Quad GT-100 Titanium Trims EC Approved
Cat Back Resonated with Quad GT-100 Burnt Titanium Trims EC Approved
Cat Back Resonated with Quad GT-90 Polished Trims EC Approved