Armytrix Porsche Cayenne S E3 2.9 Turbo 2018-present valvetronic exhaust system
Take your Porsche Cayenne S E3 2.9L Twin-Turbo to the next level with the ARMYTRIX Valvetronic Exhaust System—engineered to deliver a thrilling sound experience, enhanced performance, and full valve control at your fingertips. Designed for Non-OPF models, this system blends luxury
refinement with motorsport aggression, making your Cayenne S perform and sound like a true sport SUV.
Whether SUV or Coupé, this exhaust system transforms the way your Cayenne S drives, sounds, and feels.
Vehicle Fitment:
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Model: Porsche Cayenne S (E3)
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Body Styles: SUV / Coupé
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Years: 2018–Present
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Engine: 2.9L V6 Twin-Turbocharged
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Emissions Type: Non-OPF models only
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Drive Orientation: Fits both Left-Hand Drive & Right-Hand Drive vehicles
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Control System: Requires ARMYTRIX OBDII Plug-and-Play Valve Control Module
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VIN Check Recommended to confirm compatibility before installation
Performance Features:
2.5” Mandrel-Bent Main Pipes
Optimized for turbocharged flow, the precision-crafted exhaust tubing reduces backpressure and boosts turbo efficiency—resulting in sharper throttle response, faster spooling, and more dynamic acceleration.
Quad 4” Performance Exhaust Tips
Signature quad tips (available in Chrome, Matte Black, or Burnt Titanium) elevate the rear aesthetics and provide an aggressive acoustic presence, perfectly complementing the Cayenne S’s sporty DNA.
CEL Suppression Technology
Built-in fault-code clearing mechanism reduces the risk of Check Engine Lights caused by OPF or catalytic converter changes—ideal for performance upgrades on Non-OPF vehicles.
Valvetronic Control via OBDII Port:
Easily switch between exhaust modes with three driver-selectable profiles:
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Quiet Mode: Valves closed – refined and understated tone for comfortable daily driving
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Race Mode: Valves open – raw, turbocharged aggression that unleashes the V6 twin-turbo soundtrack
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Auto Mode: Adaptive valve behavior based on RPM and throttle input
Control Options:
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Wireless Remote Control – included for fast, manual valve switching
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ARMYTRIX Mobile App (iOS & Android) – full system management via smartphone
Installation Advantages:
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Plug-and-Play OBDII Module
No cutting or splicing—reduces install time by up to 30% over traditional wiring methods -
Direct Bolt-On Design
Uses OEM mounting points for a hassle-free installation with no fabrication required
What’s Included:
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ARMYTRIX Valvetronic Exhaust System (Cat-Back Configuration)
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Quad 4” Signature Exhaust Tips (finish options available)
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Wireless Remote Control Kit
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OBDII Plug-and-Play Valve Control Module
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Full Mounting Hardware
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Digital Installation Instructions
Compatibility Notes:
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Designed for 2018–Present Porsche Cayenne S E3 2.9L V6 Twin-Turbo
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Compatible with SUV and Coupé variants
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Non-OPF vehicles only – confirm with VIN before installation
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Supports both LHD and RHD models
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OEM exhaust button functionality retained (if equipped)
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Professional installation recommended for best performance and fitment
Elevate Your Drive with ARMYTRIX
The ARMYTRIX Valvetronic Exhaust System for the Cayenne S doesn’t just change how your SUV sounds—it transforms how it feels behind the wheel. With powerful acoustics, sleek styling, and complete control over your exhaust tone, this is a must-have upgrade for any Cayenne S enthusiast.
Command attention. Control your sound. Drive ARMYTRIX.
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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.
- 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.
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."
