Armytrix Mercedes-AMG W205 C63/C63S (2014-2022) valvetronic exhaust system
Unleash the full potential of your handcrafted 4.0L V8 Bi-Turbo engine with the ARMYTRIX Valvetronic Exhaust System for the Mercedes-AMG W205 C63 / C63 S. Designed for drivers who crave raw performance and aggressive sound, this system delivers spine-tingling acoustics and throttle response with the flexibility of on-demand valve control via remote, smartphone app, or factory drive modes.
Compatible with Saloon, Coupé, and Estate models, this system is built to handle extreme performance while retaining comfort for daily use. Constructed from premium-grade stainless steel with dual 2.75" main pipes, it enhances exhaust flow, deepens the tone, and reduces backpressure for a true AMG experience.
Fitment:
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Model: Mercedes-AMG C63 / C63 S (W205)
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Years: 2015–2022
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Engine: 4.0L V8 Bi-Turbo (M177)
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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: Non-OPF Models Only
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Control Module: ARMYTRIX OBDII Required
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Additional Notes:
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EVP3 Bypass Motor may be required for certain OEM valve setups
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VIN & Exhaust Photos required for model verification
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Left-side downpipe must be installed first for optimal fitment
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Downpipes not compatible with OPF-equipped models
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Key Features:
Valvetronic Control via OBDII (Remote + App):
Switch between stealth and savage with ease. Use the ARMYTRIX remote or mobile app to command your exhaust valves in real-time—no interior switches or wiring required.
Mandrel-Bent Dual 2.75” Stainless Steel Pipes:
Engineered to increase power, reduce turbo lag, and provide a bold, wide-open AMG soundtrack.
Intelligent CEL Suppression System:
Exclusive ARMYTRIX tech minimizes the chance of Check Engine Lights from catalytic converter or OPF changes—ideal when upgrading to a full de-cat system.
Plug-n-Play Installation with OBDII Control:
Reduces install time by up to 30% vs traditional wired setups. Direct bolt-on design for hassle-free fitting—no cutting or welding required.
Full De-Cat System Recommended:
Maximize the raw, motorsport-grade AMG exhaust note with an optional full decat setup. ARMYTRIX downpipes offer a significant sound and performance boost (Non-OPF models only).
Valvetronic Sound Modes:
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Quiet Mode (Valves Closed): Civilized tone for city driving and cold starts
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Race Mode (Valves Open): Full V8 thunder, aggressive pops, and raw turbo spool
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Auto Mode: Adaptive sound control via ARMYTRIX app based on RPM and throttle behavior
What’s Included:
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ARMYTRIX Valvetronic Cat-Back Exhaust System (Dual 2.75” Pipes)
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Wireless Remote Controller
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OBDII Plug-n-Play Valve Control Module
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Optional EVP3 Motor Bypass (if required)
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Mounting Hardware
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Digital Installation Instructions
System Compatibility & Notes:
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Compatible with W205 C63 / C63 S (2015–2022) models
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Only for Non-OPF variants
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Works with Left- and Right-Hand Drive cars
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EVP3 valve motor bypass may be required depending on OEM configuration
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VIN & photos must be submitted prior to ordering
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Downpipes require left-side-first installation for proper alignment
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Full decat recommended for optimal sound and performance
Pure V8 Emotion. Unrivaled Control. True AMG Soul.
Elevate your driving experience with the ARMYTRIX Valvetronic Exhaust System—crafted for C63 owners who demand more volume, more performance, and total command over their sound.
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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."
