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Armytrix BMW G30/G31 M550i xDrive (2017-2024) valvetronic exhaust system
£4,884.00
Unleash the full force of BMW’s twin-turbo V8 with the ARMYTRIX Valvetronic Exhaust System, engineered exclusively for the G30/G31 M550i xDrive (2017–2024). Built to amplify the aggressive nature of the N63TU2 4.4L V8, this precision-crafted cat-back system brings a commanding sound profile, increased performance, and full control to your fingertips.
Designed for non-OPF models and fully compatible with Left- and Right-Hand Drive cars, this system transforms your executive sports sedan or touring into a full-fledged auditory experience—controlled wirelessly through the ARMYTRIX OBDII plug-and-play module or smartphone app.
Fitment:
Model: BMW M550i xDrive (Sedan / Touring)
Chassis: G30 / G31
Years: 2017–2024
Engine: N63TU2 4.4L Twin-Turbocharged V8
Drive Orientation: Left-Hand Drive & Right-Hand Drive Compatible
OPF Status: Fits Non-OPF Vehicles Only
Key Features:
OBDII-Controlled Valvetronic Technology:
Take full command of your exhaust tone using ARMYTRIX’s OBDII-based wireless control module, enabling seamless operation through the included remote key fob or smartphone app—no complex wiring or cabin modifications needed.
Check Engine Light Defense:
Equipped with ARMYTRIX’s exclusive CEL-prevention system, this exhaust significantly reduces the chance of fault codes triggered by catalytic or OPF-related upgrades, helping keep your dash warning-free.
Twin 3” Mandrel-Bent Piping for Maximum Flow:
Pipework: Dual 3” stainless steel main pipes deliver unrestricted flow and a throaty V8 growl
Tips: Bold quad 4” exhaust tips, finished for a motorsport-inspired appearance and aggressive presence
Direct Bolt-On Fitment:
Installation is made fast and easy thanks to the precision bolt-on design and ARMYTRIX’s plug-n-play OBDII module, which cuts install time by 30% compared to older cable-based systems.
Valvetronic Sound Modes (via App or Remote):
Quiet Mode – Valves closed for low-profile starts or relaxed daily drives
Sport Mode – Valves open for a full-bodied V8 roar and enhanced performance tone
Auto Mode – Adaptive valve response based on throttle input and engine load
What’s Included:
ARMYTRIX Valvetronic Cat-Back Exhaust System
Quad 4” Exhaust Tips
Wireless Remote Key Fob
OBDII Plug-n-Play Control Module
Complete Mounting Hardware & Installation Guide
Important Notes:
Only fits Non-OPF M550i xDrive models
Armytrix OBDII Control Module is required for full valve control
VIN check highly recommended before purchase to ensure proper fitment
No cutting or welding required – 100% bolt-on installation
Where Muscle Meets Precision – Upgrade Your M550i
Command respect at idle and fear at full throttle. The ARMYTRIX Valvetronic Exhaust System delivers the perfect harmony of OEM-quality fitment, race-inspired sound, and cutting-edge tech for the modern V8 BMW. Whether you're carving corners or cruising highways, this is the sound of dominance.
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All purchases on this website our subject to our Terms and Conditions. Please ensure you have read and understood these before making a purchase. If you have any questions, please feel free to contact us and we will endeavour to answer any questions you may have.
PLEASE BE AWARE: Sports cats can NOT legally be installed on a vehicle for use on a public road that was manufactured after 1st March 2001 unless type ECE 103R approved - this can be identified in either the product description and/or in the Technical Information section listed. If you have any doubt on this approval, please contact us immediately for confirmation. Fitting a De-Cat/Cat Bypass, DPF delete/bypass or GPF delete/bypass to a vehicle that is to be used on UK roads will cause the vehicle to fail the MOT emissions test, therefore rendering it unroadworthy and illegal to be used on the road. Therefore, any such products are strictly sold as off-road or motorsport use only and NOT for road use. The vehicle should be transported from place to place via a trailer, flatbed or other recovery means.



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