ARMYTRIX Stainless Steel Valvetronic Exhaust System Audi A4 (B9) 2.0 TFSI Sedan / Avant 2WD Non-OPF 2021+ - True Titanium Blue

ARMYTRIX Valvetronic Stainless Steel Exhaust System for Audi B9 A4

Upgrade your Audi B9 A4 with the ARMYTRIX Valvetronic Stainless Steel Exhaust System, designed specifically for performance enthusiasts. This system not only boosts power but also reduces weight while delivering a thrilling sound experience. Expect a deeper, sportier tone that enhances your driving experience, while effectively minimizing unwanted frequencies in critical RPM ranges.

Key Features

• Piping Diameter: Main pipe diameter of 3 inches for optimal airflow.
• Exhaust Tips: Quad 3.5-inch True Titanium Blue tips for a striking visual appeal.
• Innovative Valvetronic System: Automatically adjusts exhaust flow based on throttle position and RPM, ensuring powerful performance without sacrificing backpressure.
• Direct Bolt-On Installation: Quick and easy installation process with a plug-and-play module that reduces setup time by 30% compared to traditional systems.
• App-Controlled: Control your exhaust valves via an OBDII port using the smartphone app or included remote.
• Fault Code Clearing Mechanism: Minimizes the chance of triggering check engine lights.

What's Included

• Front Pipe (AU942-BF)
• Mid Pipe (AU942-M1)
• Y-Pipe (AU942-M2)
• Valvetronic Mufflers (AU942-VML + AU942-VMR)
• Wireless Remote Control Kit (OWRC)
• Quad True Titanium Blue Tips (4xT19B)

Installation Notes

• This exhaust system is compatible with S4 Style Quad diffuser on non-S-line rear bumpers, or with S4 rear diffusers on S-line rear bumpers.
• Different versions of OE exhaust exist; please verify fitment using your VIN before installation.
• Compatible with both Left-Hand Drive and Right-Hand Drive vehicles.
• Armytrix OBDII Control Module is required for full functionality.

Customer Feedback

Owners of the AU942F-QT19B system rave about the noticeable increase in power and the exhilarating sound it produces. Many appreciate the flexibility of the Valvetronic system, allowing them to switch between a quieter drive during morning commutes and a roaring performance on open roads. This system truly transforms the driving experience, making it a favorite among Audi enthusiasts.

Valvetronic Technology Explained

The ARMYTRIX Valvetronic system is a game-changer in the exhaust industry, offering you control over your vehicle's sound. Whether you want a subtle hum or a loud roar, the system allows you to adjust the exhaust noise with a simple push of a button, either via the remote or a smartphone app. It connects to your engine's vacuum source, enabling seamless operation of the exhaust valves for optimal performance and sound.