AUDI S3 8Y and 8V Sedan Varex Valved Cat Back Exhaust With SmartBox Control

Transform your Audi 8Y or 8V sedan with the latest XFORCE VAREX cat-back exhaust system. 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. Smartbox Bluetooth control is included, giving you wireless control of the exhaust valve via the XFORCE app.

Quad 4” double-wall tips in a polished stainless finish complete the package, adding a premium aesthetic to match the S3’s sharp design.

System Features:

• 3” brushed stainless steel mandrel-bent tubing

• Drone canister tube for reduced cabin drone

• VAREX valved rear muffler

• Varex Smartbox Bluetooth control

• Quad 4” double-wall tips for a bold look

• Direct bolt-on installation with all hardware included