Armytrix Audi TT 8S Quattro Coupé (2015-present) valvetronic exhaust system

Unleash the bold, turbocharged soundtrack of your Audi TT 8S MK3 Quattro with the Armytrix Valvetronic Exhaust System—a precision-engineered upgrade designed to bring out the full performance character of your all-wheel-drive TT. Delivering a refined, aggressive exhaust note with real-time valve control, this cat-back system blends track-inspired tone with daily usability.

Constructed from 3” mandrel-bent stainless steel piping and finished with dual 4.5” tips, the Armytrix system enhances flow, throttle response, and road presence. With included reducers and adapters, it integrates seamlessly with either your stock setup or a full Armytrix downpipe system—providing ultimate flexibility.

Key Features:

• Designed for Audi TT 8S MK3 Quattro Coupé (2015–Present)

• Main pipe diameter: 3” – for maximum flow and performance tone

• Dual 4.5” tips – bold rear styling with a deep, race-inspired sound

• Valvetronic system – toggle between comfort and performance in real time

• App & remote controlled (compatible with iOS & Android)

• Direct bolt-on installation – no welding or cutting required

• Armytrix OBDII plug-n-play module – reduces install time by 30%

• Exclusive CEL-prevention technology – minimizes risk of Check Engine Lights

• LHD and RHD compatible – supports both global vehicle formats

Smart Compatibility with OEM & Armytrix Components:

• Cat-Back System: Includes 65mm → 3” reducer for direct fit to the factory catalytic converter

• Armytrix Downpipe (De-catted): Includes 3” → 65mm reducer to connect with stock cat-back

• Full Armytrix System: Includes 3” → 3” adapter for optimal system integration and performance

Fitment Restrictions:

• Use VIN to confirm compatibility before purchase to ensure correct system fitment for your specific TT model

Wireless Valve Control via OBDII Module: Armytrix OBDII Control Module is REQUIRED
Install via the vehicle’s OBDII port for complete exhaust valve control with the included wireless key fob or the Armytrix smartphone app. Choose from:

• ON – Valves open for maximum sound and performance

• OFF – Valves closed for quiet, comfortable driving

• AUTO – Adaptive mode adjusts valve behavior based on RPM and throttle input

Exclusive Check Engine Light Prevention System:

Equipped with Armytrix’s advanced catalytic converter & OPF fault-clearing mechanism, this system minimizes the chance of triggering a Check Engine Light—making it perfect for tuned or performance-enhanced vehicles running high-flow or de-catted setups.

Fitment:

• Vehicle: Audi TT 8S MK3 Quattro Coupé

• Drivetrain: Quattro AWD

• Engine: 2.0 TFSI (Turbocharged)

• Years: 2015–Present

• Drive Configuration: Left-Hand Drive & Right-Hand Drive compatible

• Note: Includes all necessary reducers and adapters for use with stock or full Armytrix systems