1998-2001
Audi
S4
S4
1998-2001
Billy Boat Performance Exhaust now offers two systems for the Audi S4! Available in a Sport or Touring system both cat-backs are precision-crafted from 100% stainless steel construction. Featuring mandrel bending, TIG welding, and CNC machined billet hangers.
For a sound clip CLICK HERE.
Proposition 65
WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Imagine if you could be satisfied and content with your purchase. That can very much be your reality with the B&B Audi S-4 Stealth Exhuast 99-01.
Inventory Last Updated: Sep 27, 2023
