Armytrix Ford Focus RS (MKIII) 2.3L Turbo (2016-2018) valvetronic exhaust system

Unlock the full performance and rally-inspired soundtrack of your Ford Focus RS MK3 with the ARMYTRIX Valvetronic Exhaust System, purpose-built for the 2016–2018 2.3L Turbocharged hatchback. Whether you’re pushing through corners or commuting through the city, this system gives you total control over your exhaust tone and flow—thanks to full wireless valve control via OBDII.

Crafted from high-grade stainless steel with 3” main pipes and aggressive dual 4.5” tips, this is a full-performance system designed to deliver sharper throttle response, louder pops and bangs, and a truly addictive driving experience.

Fitment:

• Model: Ford Focus RS (MKIII)

• Years: 2016–2018

• Engine: 2.3L Turbocharged Inline-4

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

• Control Module: ARMYTRIX OBDII Required

Key Features:

Valvetronic Control via OBDII (Remote + App):
Switch between stealth and full-throttle sound profiles instantly with the included wireless remote or ARMYTRIX smartphone app—all connected via your car’s OBDII port. No hard wiring. No cabin switches.

3” Mandrel-Bent Stainless Steel Construction:
High-flow 3-inch main pipes improve turbo response, lower backpressure, and enhance exhaust tone at every RPM.

Dual 4.5” Exhaust Tips – Aggressive Rally-Inspired Look:
Oversized dual 4.5” tips deliver a bold, motorsport-grade appearance and a commanding finish out back.

Fault Code Suppression System:
ARMYTRIX’s proprietary catalytic converter and OPF-related fault-code clearing mechanism helps prevent Check Engine Lights (CEL) when upgrading from stock components.

System Compatibility & Notes:

• Full System Requires Link Pipe

• Cat-Back System fits directly to the OEM catalytic converter using the ARMYTRIX link pipe

• ARMYTRIX Down Pipe is not compatible with the OEM cat-back—must be installed with the ARMYTRIX Cat-Back System

• Direct Bolt-On Installation – No welding or fabrication required

• Plug-n-Play OBDII Module – Reduces installation time by up to 30%

Valvetronic Sound Modes (Remote + App Controlled):

• Quiet Mode (Valves Closed) – Milder tone for city or daily use

• Race Mode (Valves Open) – Aggressive turbo pops and full-volume growl

• Auto Mode – App-based dynamic valve modulation based on driving behavior

What’s Included:

• ARMYTRIX Valvetronic Cat-Back Exhaust System (3")

• Dual 4.5” Exhaust Tips (Finish Options Available)

• OBDII Plug-n-Play Wireless Control Module

• Wireless Remote Controller

• Complete Mounting Hardware & Link Pipe (if purchasing full system)

• Digital Installation Instructions

Important Notes:

• OBDII Control Module Required for full valve control functionality

• ARMYTRIX Down Pipe must be paired with ARMYTRIX Cat-Back

• Link Pipe required for connecting to stock catalytic converter

• Designed for LHD and RHD Focus RS MK3 models

• Professional installation highly recommended

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Aggressive Looks. Intelligent Control. Rally-Bred Performance.
Transform your Focus RS into a street-legal track weapon with the ARMYTRIX Valvetronic Exhaust System—engineered for thrill-seekers who crave control, volume, and velocity.