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

Upgrade your Audi B9 A4 with the ARMYTRIX Valvetronic Stainless Steel Exhaust System (AU942F-QS11G). This exhaust system is designed to boost power, reduce weight, and deliver an exhilarating sound. With a focus on enhancing performance, you'll notice increased power in the low and mid RPM range. The exhaust produces a deep, sporty tone while effectively eliminating annoying frequencies at critical RPMs. Plus, the system features four stunning chrome polished tailpipes for that perfect finishing touch.

Key Features:

• Main Pipe Diameter: 3 inches
• Exhaust Tips: Quad 3.5 inches
• Exclusive Catalytic Converter & OPF Fault Code Clearing Mechanism to minimize the risk of check engine lights
• Direct Bolt-On Installation
• Plug-n-Play Module that reduces installation time by 30%
• App Controlled Valve System via OBDII Port

Included Components:

• Front Pipe (AU942-BF)
• Mid Pipe (AU942-M1)
• Y-Pipe (AU942-M2)
• Valvetronic Mufflers (AU942-VML + AU942-VMR)
• Wireless Remote Control Kit (OWRC)
• Quad Gold Tips (4xS11G)

This system is not just about sound; it features an innovative valve system that adjusts based on your driving style. At low RPMs, the valves close to maintain backpressure, ensuring optimal performance during launch. Open the valves at high speeds for a thrilling sound and improved airflow, translating to noticeable gains in horsepower and torque.

Installation Notes:

• Compatible with S4 Style Quad diffuser for non-S-line rear bumpers or S4 rear diffusers on S-line bumpers.
• Verify fitment using VIN as there are various OE exhaust versions.
• Fits both Left-Hand Drive and Right-Hand Drive models.
• ARMYTRIX OBDII Control Module is required for full functionality.

Valvetronic Technology: The ARMYTRIX Valvetronic system gives you control over your exhaust sound. Whether you prefer a quieter ride in the morning or want to unleash a roar on the open road, it???s all at your fingertips. With a simple push of a button on the included remote or through the smartphone app, you can switch between modes. The system intelligently operates based on engine vacuum, allowing you to customize your driving experience.

Experience the difference with the ARMYTRIX exhaust system ??? not just an upgrade, but a complete transformation of your Audi B9 A4???s driving dynamics!