The Billy Boat Hi-Flow Cat for B8 Audi A4/A5 replaces the factory catalytic converter section for a significant boost in power.

Take the Audi B8 A4/A5 to the next level by upgrading the factory exhaust system with the Billy Boat Hi-Flow Catalytic Converter. By upgrading to the Billy Boat Hi-Flow Cat for B8 A4/A5, turbo lag is dramatically reduced for faster turbocharger spool up and faster engine response. This results in overall performance improvements with significant gains in horsepower and torque. In fact, installing the Billy Boat Hi-Flow Cat for Audi A4/A5 will usually yield better performance gains than an aftermarket performance exhaust system since the factory catalytic converter section is very restrictive, robbing your car of the power you crave.

• Improves exhaust flow from the turbocharger
• Significant increase in horsepower and torque
• Replaces high restrictive catalytic converter with a free-flowing pipe
• Direct bolt-on installation
• Reduces turbo lag and increases turbo spool up

Note: Hi-Flow Cat is designed for off-road use only and should not be used on public roads.

• 2009+ B8 Audi A4/A5 (FCOR-0591)

For more information about the Billy Boat Hi-Flow Cat for B8 Audi A4/A5, call our experts today at (714) 582-3330

Billy Boat Hi-Flow Cat for B8 Audi A4/A5 Installation

Professional installation is recommended.