Armytrix Mercedes AMG W177 A45 S (2019-Present) valvetronic exhaust system

Developed exclusively for the M139 2.0L turbocharged powerhouse, this system transforms your hatchback into a high-performance sound machine—delivering sharper acoustics, quicker response, and intelligent valve control via wireless remote, smartphone app, or Dynamic Select (pre-facelift only).

Crafted with precision-engineered stainless steel and tailored for both OPF and Non-OPF models, this direct bolt-on system provides maximum flow, reduced backpressure, and rich turbocharged tones without triggering unwanted CELs—thanks to ARMYTRIX’s integrated fault-code suppression system.

Fitment:

• Model: Mercedes-AMG A45 / A45 S (W177) 4MATIC+ Hatchback

• Years: 2019–Present

• Engine: M139 2.0L I4 Turbocharged

• Drivetrain: 4MATIC+ AWD

• Drive Orientation: Left-Hand Drive & Right-Hand Drive Compatible

• Exhaust Type: OPF & Non-OPF Compatible (Confirm with VIN & Photos)

• Control Module: ARMYTRIX OBDII Required

Key Features:

Valvetronic Control via OBDII (Remote + App + Dynamic Select):

• Full wireless exhaust valve control using the ARMYTRIX remote or smartphone app via OBDII.

• Pre-Facelift Dynamic Select Integration:

  • Comfort → Valves Off

  • Sport → Auto Mode

  • Sport+ & Race → Valves On

Mandrel-Bent Stainless Steel Construction:
High-grade piping ensures maximum performance, turbo spool efficiency, and an aggressive tone throughout the powerband.

Fault Code Suppression System:
Reduces the chances of CELs by clearing OPF and catalytic converter-related fault codes when upgrading from OEM exhausts.

Tailored Fit for Multiple OEM Variants:
Due to varying OEM configurations, VIN and exhaust photos are required for compatibility confirmation prior to installation.

Plug-n-Play Installation:
No cutting or welding. OBDII module reduces installation time by up to 30% compared to traditional wiring setups.

System Compatibility & Notes:

• Fits Mercedes-AMG A45 / A45 S W177 (2019–Present) Hatchback

• Supports both OPF and Non-OPF models

• Compatible with Left- and Right-Hand Drive vehicles

• VIN and OEM exhaust configuration must be confirmed before ordering

• Pre-facelift models support valve control through Dynamic Select driving modes

• Professional installation strongly recommended

Valvetronic Sound Modes:

• Quiet Mode (Valves Closed): Subtle tone for daily driving and early morning starts

• Race Mode (Valves Open): Ferocious AMG soundtrack with turbo pops and aggressive overrun

• Auto Mode: Dynamic valve modulation based on RPM and throttle input (via app)

• Dynamic Select (Pre-Facelift Models): Map valve behavior to factory driving modes for OEM-style control

What’s Included:

• ARMYTRIX Valvetronic Exhaust System (Stainless Steel Piping)

• High-Performance Exhaust Tips (Various Finishes Available)

• Wireless Remote Controller

• Plug-n-Play OBDII Control Module

• All Necessary Mounting Hardware

• Digital Installation Manual

Modern Tech. Motorsport Sound. AMG DNA Unleashed.
Upgrade your W177 AMG A45 or A45 S with the ARMYTRIX Valvetronic Exhaust System—where intelligent valve control meets the pulse-pounding sound of turbocharged performance.