The Meisterschaft Stainless Steel Full Catback Bolt On Pipe V8 Audi S5 V8 4.2L Coupe 2008+ for your 2008-2021 Audi S5 is a great way to increase horsepower and torque gains by replacing your restricted factory car exhaust system.

The B&B Exhaust Stealth Catback Exhaust System with 3.5-Inch Twin Round Double Wall Tips Audi S5 3.0L 2008-2020 for your 2008-2021 Audi S5 is a great way to increase horsepower and torque gains by replacing your restricted factory car exhaust system.

The B&B Exhaust Sport Catback Exhaust System Audi S5 4.2L V8 2008-2016 for your 2008-2016 Audi S5 is a great way to increase horsepower and torque gains by replacing your restricted factory car exhaust system.

The Meisterschaft Stainless Steel Full Catback Bolt On Pipe V8 Audi S5 V8 4.2L Coupe 2008+ for your 2008-2021 Audi S5 is a great way to increase horsepower and torque gains by replacing your restricted factory car exhaust system.

The B&B Exhaust Sport Catback Exhaust System with 3.5-Inch Twin Round Double Wall Tips Audi S5 3.0L 2008-2020 for your 2008-2021 Audi S5 is a great way to increase horsepower and torque gains by replacing your restricted factory car exhaust system.

The B&B Exhaust Sport Catback Exhaust System Audi S5 4.2L V8 2008-2016 for your 2008-2016 Audi S5 is a great way to increase horsepower and torque gains by replacing your restricted factory car exhaust system.