The GruppeM Ram Air Intake System Audi RS4 (B8) V8 4.2L 2013-2018 for your 2013-2015 Audi RS4 is a great way to increase horsepower and torque gains by replacing your restricted factory air intake.

The GruppeM Carbon Fiber Ram Air Intake System Audi RS4 V8 B7 06-09 for your 2006-2008 Audi RS4 is a great way to increase horsepower and torque gains by replacing your restricted factory air intake.

The Eventuri Black Carbon Intake System Audi B8 RS4 2013-2015 for your 2013-2015 Audi RS4 is a great way to increase horsepower and torque gains by replacing your restricted factory air intake.

The CTS Turbo Air Intake System Audi B9 A4 | S4 | A4 Allroad | S5 | A5 | RS4 | RS5 2017-2023 for your 2017-2023 Audi RS4 is a great way to increase horsepower and torque gains by replacing your restricted factory air intake.

The 034 Motorsport X34 Carbon Fiber Cold Air Intake (CAI) for B5 Audi S4/RS4 2.7T for your 2000-2002 Audi RS4 is a great way to increase horsepower and torque gains by replacing your restricted factory air intake.