Armytrix Porsche 718 Cayman (2016-Present) valvetronic exhaust system
Unlock the full potential of your turbocharged flat-four with the ARMYTRIX Valvetronic Exhaust System for the Porsche 718 Cayman (2016–Present). Precision-built for the 2.0T and 2.5T Cayman, S, and GTS models, this dual-tip system redefines your driving experience with sharper throttle response, aggressive turbocharged acoustics, and real-time exhaust valve control.
Engineered for drivers who expect more—from performance, control, and sound.
Fitment:
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Model: Porsche 718 Cayman
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Variants: Cayman / Cayman S / Cayman GTS
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Years: 2016–Present
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Engine Options: 2.0L Turbo / 2.5L Turbo Flat-4
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Exhaust Configuration: Dual Tip System
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OPF Compatibility: Designed for both OPF and Non-OPF models
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Drive Orientation: Left-Hand Drive & Right-Hand Drive supported
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Control System: ARMYTRIX OBDII Control Module required
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Factory Exhaust Control: Remains functional if equipped
Performance Features:
Main Pipe Diameter: Dual 2.5” Mandrel-Bent Tubing
Optimized for reduced backpressure and increased turbo efficiency, delivering sharper throttle response and improved exhaust velocity
Dual 3.5” Performance Tips:
Aggressive, race-inspired tip design available in a range of finishes to complement your Porsche’s rear profile and deliver a commanding exhaust note
Exclusive CEL Suppression Technology:
Integrated catalytic converter and OPF fault-code clearing mechanism helps prevent Check Engine Lights (CEL) when modifying or deleting emissions-related components
Valvetronic Control via OBDII:
Take full control of your sound profile with three adjustable modes:
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Quiet Mode: Valves closed – refined tone for urban or low-profile driving
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Race Mode: Valves open – bold turbocharged acoustics with deep notes and defined pops
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Auto Mode: Automatically adapts to RPM and throttle input
Wireless Remote + Mobile App Integration:
Effortless valve control via the included wireless remote or the ARMYTRIX app (available on iOS and Android)
Plug-n-Play Installation:
OBDII-based module streamlines setup and reduces install time by up to 30% compared to traditional wired systems
Direct Bolt-On Design:
No modifications required. System uses factory mounting points for a clean, reversible installation
What’s Included:
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ARMYTRIX Valvetronic Exhaust System (Cat-Back / Dual Tip)
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Dual 3.5” Signature Exhaust Tips (Chrome, Matte Black, Burnt Blue, etc.)
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Wireless Remote Control Kit
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OBDII Plug-and-Play Valve Control Module
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Mounting Hardware + Digital Installation Guide
System Compatibility Notes:
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Fits all 718 Cayman / Cayman S / Cayman GTS models from 2016 to present
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Designed for both OPF and Non-OPF variants
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Supports Left-Hand Drive and Right-Hand Drive vehicles
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Retains OEM exhaust valve control functionality where equipped
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Recommended to install as a full system for optimal sound and performance
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Professional installation is advised for best results
Redefine the Sound of Your 718
With the ARMYTRIX Valvetronic Exhaust System, your 718 Cayman gains more than volume—it gains identity. From refined daily driving to full-throttle performance, this system transforms your Porsche into a more dynamic, responsive, and emotionally engaging machine.
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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
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.
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- Shipping estimates are based on courier delivery times and don't include time to despatch.
Delivery & Returns
Delivery & Returns
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Same-Day Shipping
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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
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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.
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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."
