Billy Boat Exhaust - Audi B8 S5 4.2L Quattro (2008-2012) Cat Back Stealth Exhaust System with Quad Round Tips

Are you looking to improve the sound and peformance of your Audi?  Billy Boat exhaust systems start with T-304 stainless steel, the highest quality material practical for after-cat exhaust applications. B&B exhaust tubing is mandrel bent on sophisticated CNC machinery for a precise fit and uninterrupted exhaust flow. B&B's use of T-304 stainless steel flanges offers high strength and complete resistance to harsh elements. All hangers, resonators, and tips are T-304 stainless steel as well.

Specifications:

• Center Muffler Section with 2.50" Piping
• Axle Pipe
• Drivers Side Rear Muffler Section with Twin Polished Round Tips (Black Tips Available)
• Passenger Side Rear Muffler Section with Twin Polished Round Tips (Black Tips Available)
• 3 1/2″ Quad ROUND Double-Wall Tips.
• Mandrel bent from the highest-grade T-304 stainless steel.
• Designed, tested, and manufactured to the finest hand-made integrity found in any exhaust system.
• Installation Clamps