Armytrix Audi A5 B9 Sportback Quattro 2016- valvetronic exhaust system

Unleash the raw character of your Audi A5 B9 2.0 TFSI Sportback 4WD with the Armytrix Valvetronic Exhaust System—an aggressive, intelligent upgrade purpose-built for Non-OPF quattro models (2016–Present). Designed to enhance the turbocharged soundtrack, sharpen response, and provide complete control, this system delivers an unmistakable edge in both performance and sound.

Crafted from 3” mandrel-bent T304 stainless steel and finished with quad 3.5” tips, the Armytrix system produces a deep, resonant tone while transforming your rear-end aesthetics. With plug-and-play integration via OBDII and direct bolt-on fitment, this is the perfect upgrade for drivers who expect more from every drive.

Key Features:

• Designed for Audi A5 B9 2.0 TFSI Sportback (4WD, Non-OPF, 2016–Present)

• Main pipe diameter: 3” – Optimized for high-flow performance and powerful acoustics

• Quad 3.5” tips – Sporty, aggressive rear styling with deep tone output

• Valvetronic system – Electronically control exhaust valves for volume and tone adjustment

• Wireless remote & mobile app control (iOS/Android via Armytrix OBDII port)

• Plug-n-play Armytrix OBDII control module – Reduces install time by up to 30% vs. traditional cable setups

• Direct bolt-on design – No cutting, no welding, no hassle

• CEL-prevention mechanism – Catalytic converter + OPF-related fault-clearing logic minimizes Check Engine Light risk

• LHD & RHD compatible – Global fitment across all regions

Fitment Overview:

• Model: Audi A5 (B9)

• Engine: 2.0 TFSI

• Drivetrain: quattro (4WD)

• Body Style: Sportback

• Emission Type: Non-OPF

• Years: 2016–Present

• Drive Configuration: Left-Hand Drive (LHD) & Right-Hand Drive (RHD) supported

Important Fitment Notes:

• Quad-tip muffler is compatible only with the Audi S5 rear diffuser on S-line rear bumpers

• Different OE exhaust versions exist – please use your VIN to confirm compatibility prior to installation

• Armytrix OBDII Control Module is required for full valve operation and app connectivity

Wireless Valve Control via Armytrix OBDII Module:

Gain full control over your exhaust tone using the included Armytrix OBDII plug-and-play module. Switch between modes via the supplied remote or Armytrix mobile app:

• ON – Valves open for full performance and aggressive sound

• OFF – Valves closed for refined, low-profile driving

• AUTO – Valves automatically adjust based on RPM and throttle input

Exclusive CEL Prevention System:

Armytrix’s built-in catalytic and OPF-related fault-clearing logic helps reduce the chance of triggering a Check Engine Light—even with high-flow exhaust components. Ideal for both stock and tuned vehicles.

Performance. Sound. Control.
Take your Audi A5 B9 4WD to a new level with Armytrix—where motorsport sound and smart street technology meet.