Description
Transform your Audi A4 B9 (2021+) with the Armytrix Valvetronic Stainless Steel Exhaust System. Engineered for optimal performance, this exhaust system delivers an instant boost in power, sound, and style. With precision craftsmanship and a focus on performance, the system offers an enhanced driving experience, especially in the low and mid RPM range. Paired with blue-coated exhaust tips, it adds a unique look while producing an aggressive, deep resonant sound. The result is a performance upgrade you can hear and feel.
Key Features:
Enhanced Performance:
- Significant horsepower and torque gains, especially in the low and mid-range revs.
- Reduces weight and improves exhaust flow for better engine efficiency and acceleration.
Valvetronic Technology:
- Features Throttle Pedal Sensor and Engine RPM Signal Auto Functions, allowing for automatic valve control.
- Valves close at low RPM for a better launch without sacrificing backpressure and open at high RPMs for more airflow, performance, and sound.
Sound Control:
- In race mode, the valves open fully for the ultimate race car sound—loud, aggressive, and full-throttle performance.
- At lower RPMs, the exhaust offers a refined sporty tone, minimizing unwanted frequencies.
Blue Coated Tips:
- Includes quad blue-coated tips, offering a stylish and distinctive aesthetic for your A4.
App-Controlled Valve System:
- Control your exhaust’s sound directly from your smartphone via the Armytrix app, connected through the OBDII port.
- The Plug-n-Play Module ensures easy installation with a 30% time-saving over traditional cable wire setups.
Specifications:
- Main Pipe Diameter: 3 inches
- Tip Size: Quad 3.5 inches
- Catalytic Converter & OPF Fault Code Clearing Mechanism: Helps reduce the risk of a check engine light.
- Direct Bolt-On Installation: Easy, no-modification installation.
- Valve System: Fully app-controlled via OBDII port for seamless adjustment.
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 Blue Coated Tips (4xS11B)
Fitment:
- Make: Audi
- Model: A4, A4 Avant (2021-2024)
- Fitment Notes:
- The S4 Style Quad Diffuser is required for compatibility with the quad-tip mufflers.
- Ensure correct fitment by verifying with your VIN prior to installation.
- Compatible with both Left-Hand Drive and Right-Hand Drive vehicles.
Additional Notes:
- The system is compatible with non-S-line rear bumpers (requires the S4 style diffuser) or S4 rear diffusers on S-line rear bumpers.
- The Armytrix OBDII Control Module is necessary to fully operate the valve control system.
