Armytrix McLaren 720S (2017-present) valvetronic exhaust system

Unleash the full fury of the McLaren 720S with the ARMYTRIX Valvetronic Exhaust System, purpose-engineered for the 2017–2023 4.0L M840T twin-turbo V8. Whether you’re hitting the track or carving through winding roads, this system gives you complete control over your exhaust note—thanks to a fully wireless valve control system integrated through the OBDII port.

Crafted from premium-grade stainless steel with dual 3” main pipes and quad 3.4” tips, the ARMYTRIX system is designed to elevate throttle response, enhance turbo acoustics, and intensify your driving experience—all while reducing CEL risks through fault-code clearing tech.

Fitment:

• Model: McLaren 720S

• Years: 2017–2023

• Engine: 4.0L M840T Twin-Turbocharged V8

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

• Control Module: ARMYTRIX OBDII Required

Key Features:

Valvetronic Control via OBDII (Remote + App):
Switch effortlessly between stealth mode and supercar roar using the included wireless remote or ARMYTRIX mobile app. All functions operate via the vehicle’s OBDII port—no hardwiring or cabin modifications required.

Dual 3” Mandrel-Bent Stainless Steel Pipes:
Free-flowing 3” dual pipes minimize exhaust restriction, sharpen throttle response, and bring out the full potential of the M840T twin-turbo V8.

Quad 3.4” Exhaust Tips – Race-Inspired Finish:
Precision-crafted quad tips offer an aggressive visual statement and deliver a clean, high-performance aesthetic.

Built-In Fault Code Suppression System:
Exclusive ARMYTRIX tech clears catalytic converter & OPF-related error codes—reducing the chance of Check Engine Lights (CEL) when upgrading from stock.

System Compatibility & Notes:

• Fits Both LHD & RHD McLaren 720S Models

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

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

• Recommended for full system integration and optimal sound

Valvetronic Sound Modes (Remote + App Controlled):

• Quiet Mode (Valves Closed): Refined, lower-volume tone for street or city use

• Race Mode (Valves Open): Aggressive, high-output sound with raw turbo harmonics

• Auto Mode: Adaptive valve modulation controlled via the app based on RPM and throttle input

What’s Included:

• ARMYTRIX Valvetronic Exhaust System (Dual 3” Pipes)

• Quad 3.4” Exhaust Tips (Finish Options Available)

• Wireless Remote Control

• Plug-n-Play OBDII Control Module

• Full Installation Hardware Set

• Step-by-Step Digital Installation Guide

Important Notes:

• OBDII Control Module Required for full valvetronic function

• System fits both LHD and RHD models

• Check OPF/Non-OPF compatibility prior to ordering

• Professional installation recommended

Hypercar Sound. Intelligent Control. Race-Bred Engineering.
Transform your McLaren 720S with the ARMYTRIX Valvetronic Exhaust System—built for drivers who demand more than just performance. It’s time to hear your McLaren the way it was meant to sound.