Armytrix Mercedes-AMG W205 C43 (2015-2022) valvetronic exhaust system
Unleash the deep, turbocharged growl of your V6 with the ARMYTRIX Valvetronic Exhaust System for the Mercedes-AMG W205 C43 / C400 / C450 (2015–Present). Designed to transform your driving experience with intelligent valve control, aggressive sound, and performance-focused engineering—this system brings out the full character of your 3.0L V6 twin-turbo engine across saloon, coupe, and estate body styles.
Whether cruising or pushing through the redline, ARMYTRIX gives you full exhaust control via remote, smartphone app, or Dynamic Select (on facelifted models). This system is compatible with both OPF and non-OPF variants and is precision-engineered for plug-and-play installation on standard exhaust models.
Fitment:
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Models:
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Mercedes-AMG C43 (W205)
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Mercedes-Benz C400 / C450 (W205)
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Years: 2015–Present
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Engine: 3.0L V6 Twin-Turbo (M276)
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Body Styles: Saloon / Coupé / Estate
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Drive Orientation: Left-Hand Drive & Right-Hand Drive Compatible
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Exhaust Type: OPF & Non-OPF Compatible
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Control Module: ARMYTRIX OBDII Required
Fitment Notes:
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System fits models with standard exhaust only.
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For vehicles equipped with factory AMG switchable exhausts, a separate clamp must be purchased, and exhaust hanger modification is required.
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VIN and exhaust photos must be provided prior to ordering to verify compatibility.
Key Features:
Valvetronic Control via OBDII (Remote + App + Dynamic Select):
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Switch between Quiet, Auto, and Race modes at any time.
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Facelifted models support Dynamic Select Integration:
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Comfort → Valves Closed
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Sport → Auto
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Sport+ / Race → Valves Open
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Mandrel-Bent Stainless Steel Construction (2.75”):
Free-flowing design reduces backpressure, improves turbo response, and enhances exhaust acoustics with a rich V6 tone.
Fault Code Suppression System:
Eliminates OPF and catalytic converter-related fault codes—reducing the risk of triggering a Check Engine Light (CEL) after upgrade.
Direct Bolt-On Fitment:
No cutting or welding required for standard exhaust models. Installation is simplified with a plug-and-play OBDII control unit, reducing time and complexity by up to 30%.
Valvetronic Sound Modes:
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Quiet Mode (Valves Closed): Comfort-focused tone, ideal for neighborhoods or long drives
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Race Mode (Valves Open): Deep, aggressive AMG tone with bold turbo sounds and crackles
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Auto Mode: App-controlled, RPM-responsive valve modulation for the perfect balance
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Dynamic Select Mode (Facelifted Models): Drive mode-based valve control for seamless integration with factory settings
What’s Included:
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ARMYTRIX Valvetronic Cat-Back Exhaust System (2.75”)
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Quad Performance Exhaust Tips (Finish Options Available)
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Wireless Remote Controller
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OBDII Plug-n-Play Valve Control Module
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All Required Mounting Hardware
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Digital Installation Guide
System Compatibility & Notes:
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Fits C43 / C400 / C450 W205 models (2015–Present)
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Works with OPF and Non-OPF configurations
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Supports both LHD and RHD vehicles
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Not directly compatible with AMG factory switchable exhausts without modifications
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Additional clamp and hanger mod needed for AMG Performance Exhaust models
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Professional installation recommended
Tuned Sound. Controlled Power. Intelligent Performance.
With the ARMYTRIX Valvetronic Exhaust System for the W205 C-Class V6 models, experience the thrill of AMG performance with the freedom to choose your sound—anytime, anywhere.
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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
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Please Note:
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Delivery & Returns
Delivery & Returns
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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.
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What Our Customers Are Saying
Mark W.
“Thanks to James and Marcus at Avon Tuning for arranging and fitting a Quicksilver exhaust to my new Defender V8. Everything went like clockwork and it sounds awesome”
Paris C.
"Would highly recommend Avon Tuning. They're extremely knowledgeable, outstanding customer service - we even had a lovely courtesy car for the few hours they had ours. You're in good hands with Avon Tuning!"
Richard N.
"I’d give 6 stars if they’d let me! Avon Tuning did the most fantastic job. I arranged everything with James at the beginning and he was so helpful, guiding me to the correct exhaust system (Miltek) and a Stage 1 Remap"
Peter B.
"Amazing service from James and the team at Avon Tuning.Fitted a new exhaust system on my Aston Martin Vantage, not only does it sound and look great but it puts smiles per miles for me."
