Azure Performance Audi RS4 / RS5 | B9 | Downpipes

The Azure Performance Downpipes for the Audi RS4 and RS5 B9 are precision-engineered to elevate the capabilities of the 2.9L V6 BiTurbo engine. By enhancing exhaust gas flow and reducing backpressure, these downpipes unlock significant power gains with ECU tuning, while delivering improved throttle response, turbo spool, and an aggressive exhaust tone.

Features

• Constructed from high-grade SS304 stainless steel for durability and corrosion resistance.
• Available in Catless or 200 Cell Catted configurations.
• Optional Azure Heat Shield for superior thermal protection.
• Professional sand-blasted finish for an OEM+ appearance.
• Direct bolt-on replacement with no cutting or welding required.
• Optimised for reduced turbo lag and improved turbo spool.
• Designed for track use only; ECU tuning recommended for peak performance.

Product Fitment

Make	Model	Chassis Code	Years	Engine Size
Audi	RS4	B9	2018–2025	2.9L V6 BiTurbo (DECA)
Audi	RS5	B9	2017–2025	2.9L V6 BiTurbo (DECA)

Performance Gains

Specification	Stock (2.9L V6 BiTurbo)	With Azure Downpipes & Tuning
Horsepower	450 HP	533 HP (+83 HP)
Torque	600 Nm	803 Nm (+203 Nm)
Power Output	336 KW	397 KW (+61 KW)

*Performance gains are based on proper ECU tuning and supporting modifications.