
Searching for a different vehicle?
Searching for a Different Vehicle
Armytrix Audi A7 C8 55 TFSI (2018-Present) Valvetronic exhaust system
£4,136.00
Command power, sound, and precision with the Armytrix Valvetronic Exhaust System—engineered specifically for the Audi A7 C8 55 TFSI (3.0TFSI V6, Non-OPF, 2018–Present). This system redefines your driving experience, delivering an unmistakable exhaust note and improved performance at every throttle input.
Featuring twin 2.5” mandrel-bent pipes and aggressive quad 4” tips, this cat-back system enhances rear aesthetics while unleashing a deep, race-bred tone. Whether you want refined quiet or full-volume fury, Armytrix’s intelligent valve control system lets you take charge—all via remote or app.
Installation is made effortless with the plug-n-play OBDII module, cutting install time by 30% compared to wired alternatives. With built-in fault code prevention, even modified setups stay check-engine-light-free and reliable.
Key Features:
Designed for Audi A7 C8 Sportback (55 TFSI, 3.0TFSI V6, Non-OPF, 2018–Present)
2 x 2.5” Mandrel-Bent Main Pipes – High-flow design optimizes exhaust velocity and acoustic performance
Quad 4” Tips – Bold, aggressive styling with premium finish for a motorsport-inspired look
Valvetronic Exhaust System – Electronically controlled valves give you the power to tailor your sound
Wireless Remote & Mobile App Control – Switch modes instantly via handheld remote or Armytrix app (iOS/Android)
Plug-n-Play OBDII Control Module – Speeds up installation by 30% and enables seamless valve integration
Built-in CEL Prevention – Advanced software logic reduces the risk of fault codes from catalytic or OPF changes
Direct Bolt-On Installation – No modification, cutting, or welding required
LHD & RHD Compatible – Designed for worldwide fitment across all market variants
Fitment Overview:
Model: Audi A7
Platform: C8 Sportback
Engine: 55 TFSI – 3.0TFSI V6
Years: 2018–Present
Emission Type: Non-OPF
Drive Orientation: Left-Hand Drive (LHD) & Right-Hand Drive (RHD)
Important Fitment Notes:
Muffler with Quad Tips is only compatible with the Audi S7 rear diffuser (S-Line rear bumper required)
Armytrix OBDII Control Module is required for complete valve control and system operation
VIN verification is recommended prior to installation for proper fitment
Wireless Valve Control via Armytrix OBDII Module:
Take command of your sound profile in real-time with three dynamic valve modes:
ON – Valves fully open for an aggressive, high-performance tone
OFF – Valves closed for discreet, comfortable daily driving
AUTO – Smart mode adjusts valve behavior based on RPM and engine load
Built-In CEL Prevention:
The system’s integrated catalytic converter and OPF-related fault-clearing mechanism drastically reduces the risk of triggering Check Engine Lights—even on tuned or modified vehicles—making it an ideal solution for enthusiasts demanding both performance and reliability.
Power. Sound. Sophistication.
The Armytrix Valvetronic Exhaust System for the Audi A7 C8 55 TFSI delivers more than sound—it delivers a complete transformation in performance and presence. From subtle elegance to full-throttle aggression, this is the ultimate upgrade for the modern performance driver.
Quantity







Shipping Outside The UK? Contact Us
No minimum purchase required
Fast Shipping Available
Get your items within 2-3 days
30-Day Money-Back Guarantee
Risk-free shopping experience
Free Returns
Hassle-free returns within 30 days
Secure Checkout
Your information is protected
SSL Secured
Your information is safe with us
Norton Secured
Website security guaranteed
McAfee Secure
Daily scans for security threats
BBB Accredited Business
A+ rated for trust and service
100% Safe Payments
Secure payment methods
Data Protection Guaranteed
Your personal data is safe with us
GDPR Compliant
Committed to data privacy
PCI DSS Compliant
Secure card transactions
Authorized Reseller
Official partner of top brands
SiteLock Secure
Protected from malware
24/7 Customer Support
We're here to help anytime
Privacy Protected
Your privacy is our priority
TRUSTe Certified Privacy
Trusted privacy protection
100% Virus-Free
Safe and secure website
No Hidden Fees
Transparent pricing always
Customer Satisfaction Guaranteed
Your happiness is our priority
Rated 4.5 Stars
Check Out Our Reviews on Trust Pilot
Handmade with Care
Crafted by skilled artisans
Cruelty-Free Products
Not tested on animals
Fair Trade Certified
Ethical sourcing practices
100% Organic
Pure and natural ingredients
ISO Certified Quality
International standards met
Expertly Trained Staff
Knowledgeable and professional
Family Owned Business
Proudly family-run
Award-Winning Service
Recognized for excellence
Ethically Sourced Materials
Responsibly procured
100% Satisfaction Guaranteed
We're committed to your happiness
Pet Friendly Products
Safe for your furry friends
Made from Recycled Materials
Environmentally conscious
Carbon Neutral Company
Committed to sustainability
Non-GMO Products
Genetically unmodified ingredients
Lifetime Warranty
Guaranteed for life
Trusted Site
Verified and secure
Price Match Guarantee
Find it cheaper, we'll match it
Limited Time Offer
Special discounts available now
In-Stock Guarantee
Always available for you
Exclusive Products
Unique items only available here
Bundle Deals
Save more with our bundles
New Arrival
Check out the latest products
Seasonal Sale
Big savings on seasonal items
Skilled Workers
Certified experts delivering quality and precision
Top-Tier Equipment
Advanced tools for precision and efficiency
Extensive Knowledge
Expert insights for superior solutions
Licensed & Insured
Certified & covered for your peace of mind
Available To Order
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.