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
![Audi S4 3.0 Bi-TDI B9 Saloon/Avant (Diesel) 2019 - 2025 Active Sound Control - SSXAU668](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25206_audi-s4-3-0-bi-tdi-b9-saloon-avant--diesel--2019-2025-active-sound-control-ssxau668.jpg?655cd717)
V2 with 8 Selectable Sound Files
![Audi S4 3.0 Supercharged V6 B8 2009 - 2012 Cat-back výfuk - SSXAU240](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25218_audi-s4-3-0-supercharged-v6-b8-2009-2012-cat-back-vyfuk-ssxau240.jpg?655cd718)
Race Version. Dual Cerakote Black Oval Tips
![Audi S4 3.0 Supercharged V6 B8 2009 - 2012 Cat-back výfuk - SSXAU261](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25215_audi-s4-3-0-supercharged-v6-b8-2009-2012-cat-back-vyfuk-ssxau261.jpg?655cd718)
EC-Approved. Quad Polished Tips.
![Audi S4 3.0 Supercharged V6 B8 2009 - 2012 Cat-back výfuk - SSXAU262](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25209_audi-s4-3-0-supercharged-v6-b8-2009-2012-cat-back-vyfuk-ssxau262.jpg?655cd717)
EC-Approved. Dual Oval Cerakote Black Tips
![Audi S4 3.0 Supercharged V6 B8 2009 - 2012 Cat-back výfuk - SSXAU268](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25224_audi-s4-3-0-supercharged-v6-b8-2009-2012-cat-back-vyfuk-ssxau268.jpg?655cd718)
Race Version. Quad Polished Tips
![Audi S4 3.0 Supercharged V6 B8 2009 - 2012 Cat-back výfuk - SSXAU380](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25227_audi-s4-3-0-supercharged-v6-b8-2009-2012-cat-back-vyfuk-ssxau380.jpg?655cd719)
ValveSonic Electronic Valved System
![Audi S4 3.0 Supercharged V6 B8 2009 - 2012 Cat-back výfuk - SSXAU556](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25212_audi-s4-3-0-supercharged-v6-b8-2009-2012-cat-back-vyfuk-ssxau556.jpg?655cd717)
EC-Approved. Quad Cerakote Black Tips
![Audi S4 3.0 Supercharged V6 B8 2009 - 2012 Cat-back výfuk - SSXAU557](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25221_audi-s4-3-0-supercharged-v6-b8-2009-2012-cat-back-vyfuk-ssxau557.jpg?655cd718)
Race Version. Quad Cerakote Black Tips
![Audi S4 3.0 Supercharged V6 B8.5 2012 - 2016 Cat-back výfuk - SSXAU366](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25233_audi-s4-3-0-supercharged-v6-b8-5-2012-2016-cat-back-vyfuk-ssxau366.jpg?655cd719)
Quad Outlet Polished Tips - EC Approved
![Audi S4 3.0 Supercharged V6 B8.5 2012 - 2016 Cat-back výfuk - SSXAU367](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25230_audi-s4-3-0-supercharged-v6-b8-5-2012-2016-cat-back-vyfuk-ssxau367.jpg?655cd719)
Quad Outlet Ceramic Black Tips - EC Approved
![Audi S4 3.0 Supercharged V6 B8.5 2012 - 2016 Cat-back výfuk - SSXAU375](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25236_audi-s4-3-0-supercharged-v6-b8-5-2012-2016-cat-back-vyfuk-ssxau375.jpg?655cd71a)
Race Version. Quad Outlet Ceramic Black Tips
![Audi S4 3.0 Supercharged V6 B8.5 2012 - 2016 Cat-back výfuk - SSXAU376](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25239_audi-s4-3-0-supercharged-v6-b8-5-2012-2016-cat-back-vyfuk-ssxau376.jpg?655cd71a)
Race Version. Quad Outlet Polished Tips
![Audi S4 3.0 Supercharged V6 B8.5 2012 - 2016 Cat-back výfuk - SSXAU406](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25242_audi-s4-3-0-supercharged-v6-b8-5-2012-2016-cat-back-vyfuk-ssxau406.jpg?655cd71a)
ValveSonic Electronic Valved System. Black Velvet Tips
![Audi S4 3.0 Supercharged V6 B8.5 2012 - 2016 Cat-back výfuk - SSXAU407](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25245_audi-s4-3-0-supercharged-v6-b8-5-2012-2016-cat-back-vyfuk-ssxau407.jpg?655cd71b)
ValveSonic Electronic Valved System. Polished Tips
![Audi S4 3.0 Supercharged V6 B8.5 2012 - 2016 Cat-back výfuk - SSXAU408](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/25248_audi-s4-3-0-supercharged-v6-b8-5-2012-2016-cat-back-vyfuk-ssxau408.jpg?655cd71b)
ValveSonic Electronic Valved System. Titanium Tips
![Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only 2016 - 2025 Active Valve Control - SSXAU677](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/36936_audi-s4-3-0-turbo-v6-b9-saloon-sedan-avant--non-sport-diff-models-left-hand-drive-cars-only-2016-2025-active-valve-control-ssxau677.jpg?65e7a7b9)
Uses ESP button and drive select
![Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only 2016 - 2025 Cat Replacement Pipe - SSXAU674](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/36945_audi-s4-3-0-turbo-v6-b9-saloon-sedan-avant--non-sport-diff-models-left-hand-drive-cars-only-2016-2025-cat-replacement-pipe-ssxau674.jpg?65e7a7ba)
Cat Bypass fits with OE and Milltek Sport Cat back Systems
![Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only 2016 - 2025 Cat-back výfuk - SSXAU640](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/36990_audi-s4-3-0-turbo-v6-b9-saloon-sedan-avant--non-sport-diff-models-left-hand-drive-cars-only-2016-2025-cat-back-vyfuk-ssxau640.jpg?65e7a7bd)
Cat Back Resonated with Quad GT-100 Polished Trims EC Approved
![Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only 2016 - 2025 Cat-back výfuk - SSXAU641](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/36981_audi-s4-3-0-turbo-v6-b9-saloon-sedan-avant--non-sport-diff-models-left-hand-drive-cars-only-2016-2025-cat-back-vyfuk-ssxau641.jpg?65e7a7bd)
Cat Back Resonated with Quad GT-100 Cerakote Black Trims EC Approved
![Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only 2016 - 2025 Cat-back výfuk - SSXAU642](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/36993_audi-s4-3-0-turbo-v6-b9-saloon-sedan-avant--non-sport-diff-models-left-hand-drive-cars-only-2016-2025-cat-back-vyfuk-ssxau642.jpg?65e7a7be)
Cat Back Resonated with Quad GT-100 Titanium Trims EC Approved
![Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only 2016 - 2025 Cat-back výfuk - SSXAU643](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/36987_audi-s4-3-0-turbo-v6-b9-saloon-sedan-avant--non-sport-diff-models-left-hand-drive-cars-only-2016-2025-cat-back-vyfuk-ssxau643.jpg?65e7a7bd)
Cat Back Resonated with Quad GT-100 Burnt Titanium Trims EC Approved
![Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only 2016 - 2025 Cat-back výfuk - SSXAU644](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/37002_audi-s4-3-0-turbo-v6-b9-saloon-sedan-avant--non-sport-diff-models-left-hand-drive-cars-only-2016-2025-cat-back-vyfuk-ssxau644.jpg?65e7a7be)
Cat Back Resonated with Quad GT-90 Polished Trims EC Approved
![Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only 2016 - 2025 Cat-back výfuk - SSXAU645](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/36999_audi-s4-3-0-turbo-v6-b9-saloon-sedan-avant--non-sport-diff-models-left-hand-drive-cars-only-2016-2025-cat-back-vyfuk-ssxau645.jpg?65e7a7be)
Cat Back Resonated with Quad GT-90 Cerakote Black Trims EC Approved
![Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only 2016 - 2025 Cat-back výfuk - SSXAU646](https://cdn.myshoptet.com/usr/www.milltekvyfuky.cz/user/shop/detail/37005_audi-s4-3-0-turbo-v6-b9-saloon-sedan-avant--non-sport-diff-models-left-hand-drive-cars-only-2016-2025-cat-back-vyfuk-ssxau646.jpg?65e7a7bf)
Cat Back Resonated with Quad GT-90 Titanium Trims EC Approved