XForce Audi S3 8V & 8Y Varex Valved Cat Back Exhaust System
Give your Audi 8V/8Y S3 the soundtrack it deserves with the XFORCE cat back exhaust system, complete with VAREX valve control. Designed to match the power and prestige of the S3, this system delivers a refined balance of everyday comfort and aggressive performance sound, all at your command.
Crafted from high-grade 304 stainless steel, the system features mandrel-bent 3” piping, a drone canister, and a VAREX valved rear muffler—allowing drivers to seamlessly switch between a quiet, near-stock tone and a bold, sport-inspired growl. Whether you’re heading to work or hitting your favorite back road, the XFORCE system adapts to your drive.
Quad 4” double-wall tips in a polished stainless finish complete the package, adding a premium aesthetic to match the S3’s sharp design.
- 3” brushed stainless steel mandrel-bent tubing
- Drone canister tube for reduced cabin drone
- VAREX valved rear muffler with remote fob for sound control
- Quad 4” polished double-wall tips for a bold look
- Direct bolt-on installation with all hardware included
VAREX Smart Box is a control device with patent-pending technology that lets the user manually and automatically adjust the exhaust sound level of the VAREX exhaust. Users can operate and make changes to the settings via an elegantly designed Smartphone App. The connections between the Smart Box and smartphones are via the latest Bluetooth® technology, which provides a intuitive user experience.
- Precise manual adjustment of VAREX exhaust valve positions
- Custom pre-set of VAREX exhaust valve position
- Tune the VAREX exhaust as fine as 1% increments
- Automatic control of VAREX exhaust valve positions based on real-time information of RPM, throttle, and speed
- Automatic control of VAREX exhaust valve positions based on the real-time GPS location of the vehicle
- For select vehicle factory drive mode control can be retained with a suited harness