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Armytrix BMW G80 G81 M3 Competition valvetronic exhaust system
£4,884.00
Unleash the full potential of your BMW G80 M3 Sedan or G81 M3 Touring with the Armytrix Valvetronic Exhaust System—engineered specifically for the S58B30 3.0L twin-turbo inline-six. Designed to deliver unrivaled performance and sound, this cat-back valvetronic system integrates seamlessly with the factory OE valve control, giving you precision-tuned exhaust behavior through your car’s original drive modes.
Crafted for both OPF and non-OPF models, Armytrix ensures fault-free operation, enhanced flow, and a rich, aggressive tone that transforms every drive into an experience.
Key Features:
Fitment:
BMW G80 M3 Sedan / G81 M3 Touring (2020–Present)
M3 Competition – S58B30 Twin-Turbocharged I6
OPF & Non-OPF Compatible
Supports Left-Hand Drive & Right-Hand Drive vehiclesMain Pipe Diameter:
Dual 2.75” piping – optimized for flow and turbo responseQuad 4” Tips:
Motorsport styling with a bold and defined exhaust noteOE Valvetronic Integration:
Exhaust valves operate via your vehicle’s factory drive modes—no extra remotes or wiring neededCEL Prevention System (Full System Only):
Proprietary catalytic converter & OPF fault code clearing technology reduces the likelihood of Check Engine LightsDirect Bolt-On Installation:
No cutting, no welding—precision-fit construction for hassle-free mountingArmynator Module Supplied with Full System (Catback + Downpipe):
Ensures full compatibility and fault-code clearing for OPF models
Drive Mode Responsive Sound Control
Comfort Mode (Valves Closed):
Tame, refined tone for city driving or long-distance cruisingSport/Sport+ Mode (Valves Open):
Unfiltered turbo spool, maximum exhaust flow, and an exhilarating growlDynamic Valve Behavior:
Valve positions adjust based on throttle input and RPM for a truly adaptive sound profile
Fitment Overview:
Model: BMW M3 / M3 Competition
Platforms: G80 Sedan / G81 Touring
Years: 2020–Present
Engine: 3.0L S58B30 Twin-Turbocharged I6
Emission Type: OPF & Non-OPF Compatible
Drive Orientation: Left-Hand Drive & Right-Hand Drive
Important Notes:
VIN Verification Required: Confirm compatibility before ordering
OPF Models: Strongly recommended to purchase full EV system (Catback + Downpipe) for error-free performance
Armynator Supplied Only with Full System Purchase
Utilizes OEM Valve System – No Aftermarket Controller Needed
Engineered to Outperform. Built to Integrate.
The Armytrix Valvetronic Exhaust System for the G80/G81 M3 is more than a sound upgrade—it’s a complete transformation of your driving experience. With fully integrated factory valve control, optimized piping, and CEL prevention, this system brings together the best of OEM functionality and aftermarket innovation.
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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.