Upgrade your 2013 Audi S8 D4 4.0L with this premium valved exhaust system, designed for enthusiasts who demand both luxury and performance. This system gives you complete control over your exhaust sound — switch between a refined, quiet tone for daily driving and a deep, aggressive roar for spirited driving with the touch of a button.

Constructed from high-grade stainless steel, this exhaust is engineered for durability, superior performance, and enhanced sound dynamics. With precision engineering, it improves exhaust flow, reduces backpressure, and enhances throttle response.

Key Features:

• Valved System — instantly switch between Quiet & Sport sound modes
• Direct Fit — engineered specifically for Audi S8 D4 4.0L (2013)
• Stainless Steel Construction — durable, corrosion-resistant, and long-lasting
• DIY-Friendly Install — bolt-on design, no welding required
• Performance Upgrade — improves exhaust tone, airflow, and turbo spool
• Complete Kit — includes valve controller, wiring harness, clamps, and hardware

Vehicle Compatibility:

• Audi S8 D4 4.0L (2013)
– Sedan with V8 Twin Turbo engine

Installation Instructions (General):

1. Safely lift the vehicle and allow exhaust to cool.

2. Remove the OEM exhaust system.

3. Install the new valved exhaust using the supplied hardware.

4. Apply gasket maker to ensure a leak-free connection.

5. Tighten all bolts and clamps evenly.

6. Connect the valve controller and test sound modes.

7. Lower the vehicle and inspect for leaks.

⚡ DIY-Friendly: Install with basic tools.
✅ Professional Install Recommended: For best fitment and sound performance.

Why Buy From Us:

• Premium aftermarket exhaust systems for Audi models
• Fast shipping across Canada & USA
• Secure checkout and responsive support
• Instantly transform your S8’s sound, style, and performance