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Armytrix Audi RS4 Non-OPF Valvetronic Exhaust System
£4,884.00
Armytrix Valvetronic Exhaust System – Audi RS4 B9 Avant 2.9 V6 Turbo Non-OPF (2017–Present)
Unleash the full potential of your Audi RS4 B9 Avant 2.9 V6 Turbo (2017–Present, Non-OPF) with the Armytrix Valvetronic Exhaust System – a precision-engineered performance upgrade that delivers aggressive sound, maximum flow, and full control.
Built with a massive 3.5" main pipe diameter and dual oval tips, this system is a direct bolt-on solution that fits both left-hand drive and right-hand drive models.
The system is compatible with both OEM valve systems and Armytrix’s OBDII Plug-n-Play Control Module, offering seamless integration or app-controlled valvetronic functionality. For vacuum-based valve systems, the OBDII control module is required, and OEM valve delete boxes (2 units per vehicle) are recommended to prevent limp mode – VIN verification applies.
When purchasing the EV version full system (cat-back + downpipe), the Armynator will be included, unlocking full AUTO mode functionality for a smoother and more immersive driving experience.
The system also features an exclusive catalytic converter and OPF fault-code clearing mechanism, helping to reduce the risk of triggering a check engine light during operation.
Key Features:
Fits Audi RS4 B9 Avant 2.9 V6 Turbo Non-OPF (2017–Present)
3.5” main pipe diameter with dual oval tips for maximum flow and sound
Compatible with LHD and RHD vehicles
Options for OEM valve integration or OBDII app-controlled valvetronic system
Plug-n-play OBDII module reduces installation complexity (not compatible with other OBDII devices)
OEM valve delete boxes recommended for vacuum-based valve models prone to limp mode
Direct bolt-on installation – no cutting or welding
Catalytic converter + OPF fault-code clearing tech helps prevent check engine lights
Upgrade your RS4 B9 with Armytrix for a thrilling exhaust tone, cutting-edge technology, and race-ready performance.
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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.
