GFC Cat-Back Exhaust System
For 2009–2016 Audi S4 B8 Avant quattro 3.0T
Dual Mufflers | Dual Valves | Quad Exit | Direct Bolt-On
Sporty Sound. Everyday Comfort.
Designed for the 3.0T S4 Avant quattro, this GFC Cat-Back Exhaust delivers a deeper, richer exhaust tone while maintaining refined comfort for daily driving. Dual electronic valves let you tailor your sound on demand — smooth and quiet when closed, bold and aggressive when opened.



Leave a Reply
You must be logged in to post a comment.