Audi S4/S5 3.0T B9 iPE OPF Version Cat Back System Porsche-997-Carrera-2008 * There are two versions

* There are two versions of muffler

Full Exhaust system:

If you have any trouble installing the system please contact your authorized dealer immediately

mid pipe and muffler

Each part of the exhaust system is individually designed to perfectly fit onto the Ferrari FF and to create a unique and breath-taking sound that will trickle those feelings and senses

Audi S4/S5 3.0T B9 iPE OPF Version Cat Back System Porsche-997-Carrera-2008 * There are two versionsThe Aud S4 S5 (B9) is refined with an iPE Innotech Performance Exhaust system produces an extremely loud and aggressive sound as well as a comfortably quiet cruise by the push of a button when wished for. Our Valvetronic exhaust delivers both power and dynamic valve control to the driver's seat. Each part of the exhaust system is individually designed to perfectly fit the Aud S4 S5 (B9) Series.