Valved Catback Exhaust for Audi A4 (B9)(2016-2023)

Features

• Valved exhaust — switch between quiet mode and performance mode anytime
• 304 stainless steel construction with TIG welding
• OEM-style bolt-on installation (no cutting or welding required)
• Deep, sporty tone with clean pops and improved throttle response

Fitment

• Compatible with Audi A4 B9
• Fits sedan models (S-style rear diffuser recommended for perfect quad-tip exit)

What’s Included

• Mid-pipe + rear section with valve system
• Quad-tip S4-style exhaust outlets
• Mounting hardware and clamps
• Remote control for exhaust valve

Sound Characteristics

• Cold Start: aggressive, deeper tone
• Valve Open: loud, sporty, and performance-focused
• Valve Closed: close to OEM comfort for daily driving

Shipping

• Ships directly from our partner factory
• Estimated delivery: 2–4 weeks depending on location

Warranty

• If the product arrives damaged or defective, we will replace the affected parts.