Armytrix Mercedes C43 (with AMG Exhaust) (2015-2023) Valvetronic Exhaust System
Turn your Mercedes-AMG C43’s factory sound into a bold performance roar with the ARMYTRIX Valvetronic Exhaust System, engineered specifically for non-OPF W205 C43 models equipped with the AMG switchable exhaust. Whether you're in a saloon, coupé, or estate, this system enhances power delivery, adds deeper tone, and lets you take full control—seamlessly integrated with your OEM valve controls.
Built for those who demand more than stock, this system offers full valvetronic functionality, aggressive sound under load, and quiet cruising when you need it—all with direct bolt-on fitment and compatibility with OEM Dynamic Select driving modes.
Fitment:
-
Vehicle: Mercedes-AMG W205 C43
-
Years: 2015–2023
-
Engine: 3.0L V6 Twin-Turbo (M276)
-
Body Styles: Saloon / Coupé / Estate
-
Exhaust Configuration: Non-OPF / Factory AMG Switchable Exhaust
-
Drive Orientation: Left-Hand Drive & Right-Hand Drive Compatible
-
Main Pipe Diameter: 2 x 2.5"
-
Exhaust Tips: Quad 3.5” Performance Tips
-
VIN Required for Fitment Verification
Key Features:
OEM Valve System Integration – No Additional Controllers Needed
Enjoy factory-style control over your exhaust valves through your car’s Dynamic Select modes. The ARMYTRIX system fully integrates with the AMG Performance Exhaust switch logic for smooth transitions between comfort and aggression.
Aggressive Quad-Tip Exhaust System
Engineered with mandrel-bent dual 2.5” pipes and quad 3.5” tips, this system significantly enhances flow and sound. Expect crisper throttle response, turbo whooshes, and deeper tone on every downshift.
CEL Suppression Mechanism (With Full System)
When paired with ARMYTRIX downpipes, this system includes a fault-code clearing mechanism to minimize the risk of Check Engine Lights (CEL) triggered by cat or sensor modifications.
Armynator Control Module Included (With Full System Purchase)
Purchasing the full system (Catback + Downpipes) includes the Armynator—an ARMYTRIX innovation designed to ensure optimal valve operation and simplified integration for models with AMG’s factory switchable exhaust.
Direct Bolt-On Installation – No Cutting or Welding
Designed for easy fitment and plug-and-play integration, this system bolts directly to your AMG C43 with no permanent modifications needed.
Valvetronic Sound Modes (via OEM Controls):
-
Comfort Mode: Valves remain closed for a refined, low-volume tone
-
Sport / Sport+ Modes: Valves open for louder, aggressive AMG sound with bold pops and turbo sounds
-
Race Mode (if equipped): Full-volume, unrestricted tone with maximum flow
What’s Included (Full System):
-
ARMYTRIX Valvetronic Cat-Back Exhaust System (2 x 2.5")
-
Quad 3.5” Exhaust Tips (Finish options available)
-
Armynator Valve Integration Module (included with Full System)
-
Mounting Hardware Kit
-
Digital Installation Guide
System Compatibility & Notes:
-
Designed specifically for AMG C43 models equipped with factory switchable exhausts
-
Fits non-OPF variants only
-
LHD and RHD compatible
-
VIN submission required to confirm proper fit
-
Fault-code suppression and Armynator provided only with full system (catback + downpipe)
-
Professional installation recommended for optimal valve integration
SEO Keywords / Tags:
C43 AMG Switchable Exhaust Upgrade, Armytrix C43 Valvetronic System, W205 AMG Cat-Back Exhaust, AMG C43 Armynator System, AMG Performance Exhaust Enhancement, C43 Quad Tip Exhaust, W205 V6 Exhaust System, C43 Non-OPF Exhaust Mod, AMG Factory Valve Integration, Mercedes C43 Exhaust Sound Upgrade
Performance Refined. Control Redefined. Sound Unleashed.
Upgrade your Mercedes-AMG C43 with the ARMYTRIX Valvetronic Exhaust System—fully compatible with factory valve systems, engineered for power, and designed to deliver the commanding AMG sound your V6 deserves.
Couldn't load pickup availability
Get a Free AT Air Freshener when you buy any merchandise!
T&C's
T&C's
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.
Stock Availability
Stock Availability
Due to the high volume of custom orders and special requests we receive daily, it’s not always possible to have every item readily available in our warehouse at all times. While we strive to maintain stock for popular products, some items may require additional processing time. If you need a product urgently, we highly recommend reaching out to our sales team here before placing your order to confirm availability and estimated delivery times.
Please Note:
- Orders with both in-stock and backorder or out-of-stock products will be dispatched once all products are available to ship together.
- Contact our sales team if you want your parts fitted to your vehicle at our Bristol Headquarters.
- Shipping estimates are based on courier delivery times and don't include time to despatch.
Delivery & Returns
Delivery & Returns
At AT Store, we understand the importance of timely delivery when it comes to your orders. Our goal is to have your products shipped on the same day we receive your order. We prioritise efficiency and strive to provide you with a seamless delivery experience.
Same-Day Shipping
We aim to dispatch your orders promptly to ensure minimal waiting time for our customers. Orders received before 15:00 (GMT) on business days will typically be processed and shipped on the same day. Orders received on weekends/holidays will be processed on the next business day.
Communication on Delays
While we make every effort to ship your orders promptly, there may be unforeseen circumstances or stock availability issues that could cause delays. In such cases, a dedicated member of our sales team will personally reach out to you to inform you of any delays and provide updates on the status of your order.
Akrapovic Products Lead Time
Please note that for Akrapovic products, there may be a lead time of up to 10 working days depending on current stock levels. Our team will inform you promptly if your order falls within this category and provide you with an estimated delivery date.
Tracking Information
Once your order has been dispatched, we will provide you with a tracking number via email. Additionally, the tracking number will be added to your order notes on our website. This allows you to easily track the progress of your delivery and stay informed about its whereabouts until it reaches your doorstep.
International Shipping
We now calculate international shipping costs separately to ensure the most accurate and competitive rates. If you’re placing an order from outside the UK, please contact us for a shipping quote before completing your purchase. Our team will provide you with the best available options tailored to your location.
We are committed to providing you with the best possible delivery service, ensuring that your orders reach you in a timely manner and in pristine condition. If you have any questions or concerns regarding our delivery process, please don't hesitate to contact us for assistance.
For information regarding Returns, please refer to our T&C's.
Email: Store@avontuning.co.uk
Phone: 01454 800 117
Online we currently accept payment from the methods listed above including a wide range of finance options.
Finance Options
In order to get the kit you want, when you need it, without ruining the family finances we offer a highly flexible range of finance options to help you get the best products on your vehicle now rather than at the end of the season when you've saved up the cash to make the purchase. There are even interest free options which effectively spread the cost without costing you any extra.
Avon Tuning Limited is an Introducer Appointed Representative of Social Money Limited t/a Payl8r who is authorised by the FCA under Ref. Number 675283. Credit is subject to creditworthiness and affordability assessments. Missed payments may affect your credit file, future borrowing and incur fees.