Armytrix Nissan GT-R R35 3.8 Twin-Turbo V6 2007- valvetronic exhaust system
Unleash the full fury of your 3.8L Twin-Turbo V6 with the ARMYTRIX Valvetronic Exhaust System—a race-bred upgrade engineered to deliver thunderous acoustics, sharper throttle response, and total driver-controlled sound dynamics.
Designed for the legendary GT-R R35 (2007–Present), this system elevates your driving experience with raw, turbocharged emotion.
Whether you're carving mountain roads or dominating the track, ARMYTRIX puts you in command—of both performance and presence.
Seamless Control via OBDII, Remote, and Smartphone App
Switch between stealth and scream at your fingertips. The Valvetronic control system integrates via the OBDII port, giving you instant control through the ARMYTRIX app or included wireless remote:
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Quiet Mode – Valves closed for low-profile cruising and early morning starts
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Race Mode – Valves fully open to release the iconic GT-R growl and turbo spool
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Auto Mode – Adaptive settings respond to RPM and throttle input for dynamic sound modulation
Fitment:
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Vehicle: Nissan GT-R R35
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Years: 2007–Present
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Engine: 3.8L Twin-Turbo V6
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Drive Orientation: Left-Hand Drive & Right-Hand Drive compatible
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Control Module: ARMYTRIX OBDII Control Module required
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OEM Valve Delete Box (NI35-VD): Recommended for 2016+ Premium/Track Edition and 2017+ models
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Model Compatibility Note: OBDII module may not be compatible with pre-2009 models – please specify model year before ordering
Performance-Driven Engineering
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Mandrel-Bent 3” Stainless Steel Piping
Free-flowing 3” main pipes optimize exhaust velocity, reduce turbo lag, and deliver that signature twin-turbo howl across the rev range -
Quad 5” Polished Performance Tips
Aggressive styling meets premium finish—guaranteed to turn heads even before you hit the throttle -
Advanced CEL Suppression
Built-in fault-code clearing system significantly reduces the risk of Check Engine Lights (CEL) when modifying catalytic converter or OPF-equipped models -
Direct Bolt-On + Plug-n-Play Install
OEM-style flanges and a plug-and-play OBDII module streamline the install process—cutting install time by up to 30% compared to traditional setups
What’s Included (Cat-Back System):
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ARMYTRIX Valvetronic Cat-Back Exhaust System (3”)
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Quad 5” Tips (Multiple finishes available)
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Wireless Remote Controller
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OBDII Plug-n-Play Valve Control Module
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Mounting Hardware
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Digital Installation Guide
System Compatibility Notes:
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Compatible with GT-R R35 models from 2007–Present
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LHD and RHD variants supported
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Pre-2009 models may have limited OBDII compatibility – confirm with VIN before ordering
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OEM Valve Delete Box strongly recommended for 2016+ models
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Professional installation highly recommended
Valvetronic Sound Modes:
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Quiet Mode (Valves Closed): For city driving, cold starts, and neighborhood-friendly operation
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Race Mode (Valves Open): Unleash brutal sound with turbo spool, pops, and raw volume
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Auto Mode: Intelligent valve control based on RPM and throttle input
Precision Engineering. Brutal Sound. Total Control.
Elevate your GT-R to supercar levels with the ARMYTRIX Valvetronic Exhaust System. From refined daily drivability to race-ready roar, this system offers unmatched flexibility, fault-tolerant tech, and show-stopping performance—all in a direct-fit, plug-and-play package.
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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
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."
