Audi S8 D4 Control Exhaust System

Control the twin-turbo V8. Refined when you want it.

The 2012–2018 Audi S8 D4 Control Exhaust System is engineered to give you full command over the twin-turbocharged 4.0L TFSI V8, balancing refined comfort with aggressive performance. Featuring a valved Control catback system, it allows you to switch seamlessly between a quiet, composed tone and a louder, more aggressive exhaust note on demand.

Available in stainless steel 304 or Grade 5 titanium, this system gives you the choice between durability with a deep, refined tone, or reduced weight with a sharper, more exotic sound profile.

Designed to improve exhaust flow over the restrictive factory system, this setup enhances turbo response, throttle precision, and power delivery, while maintaining the S8’s luxury character when needed. Performance exhaust systems on the 4.0T platform are known to improve airflow and responsiveness through reduced restriction.

With valves closed, the system remains quiet, smooth, and refined, perfect for daily driving. Open the valves, and it transforms into a deeper, louder, and more aggressive twin-turbo V8, unlocking the true character of the S8.

Constructed using precision TIG welding and mandrel-bent tubing, the system is built to withstand high temperatures while maintaining optimal airflow. Designed as a direct bolt-on system, installation is seamless with no cutting required.

Luxury when you need it.
Aggression when you want it.

Key Features:
• Valved Control exhaust system (quiet to aggressive on demand)
• Improved exhaust flow and turbo response
• Enhanced twin-turbo V8 exhaust character
• Available in stainless steel 304 or Grade 5 titanium
• TIG welded construction
• Mandrel-bent piping for maximum efficiency
• Direct bolt-on installation