Enhance Your Audi 8Y or 8V S3 Sedan with the XFORCE VAREX SmartBox-Equipped Cat-Back Exhaust System

Unlock the full potential of your Audi 8Y or 8V S3 Sedan with the XFORCE VAREX SmartBox-equipped cat-back exhaust system. This innovative system goes beyond a simple exhaust upgrade, revolutionising your driving experience with enhanced sound control.

Fabricated from brushed 304 stainless steel, the system incorporates 3” mandrel-bent piping, a hot dog resonator, and a reengineered VAREX valved rear muffler. This combination delivers a robust, assertive tone when open and a sophisticated, near-stock sound when closed, providing the flexibility to impress when you choose to, whilst maintaining everyday drivability.

When coupled with our VAREX SmartBox, you gain access to the most advanced exhaust control on the market. Options include:

  • Matrix Mode: Automatically modulate valve position based on speed, RPM, or throttle input.

  • Manual Mode: Precisely adjust valve position in real time using the XFORCE app or remote.

  • Geo Mode: Programme valve behaviour by location—quiet in your neighbourhood, loud on your favourite backroad.

  • Factory Mode (with optional cable): Integrate exhaust behaviour seamlessly with your Audi’s built-in drive mode settings.

System Features:

  • 3” mandrel-bent 304 stainless steel construction

  • Drone canister tube for reduced cabin drone

  • Redesigned VAREX valved muffler for maximum sound range

  • Quad 4” Polished double-wall tips

  • Bolt-on design with all necessary hardware included

  • Included VAREX

Brand XForce
Year 2013 - 2025