This stainless steel downpipe without a catalytic converter was developed for Audi A4, A5, and Q5 B9 models with the 2.0 TFSI engine. The decat design significantly improves exhaust gas flow, resulting in better performance and a sportier sound. Ideal for performance builds and track use.

Advantages

• Maximum exhaust gas flow due to decat design
• Faster turbo response
• Sportier and louder exhaust sound
• Made of high quality stainless steel
• Suitable for tuning and performance upgrades

Technical specifications

• Material: stainless steel
• Type: decat downpipe
• Direct replacement of the original downpipe
• Designed for 2.0 TFSI engines

Compatibility

• Audi A4 B9 type 8W – 2.0 TFSI 190–252 hp (also Quattro) – built from 2016 to present
• Audi A5 B9 type 8W-F5 – 2.0 TFSI 190–252 hp (also Quattro) – built 2016 to present
• Audi Q5 B9 – 2.0 TFSI – built 2016 to present

Contents

• Downpipe decat

Frequently Asked Questions

Is this downpipe street legal?
No, this is a decat downpipe without a catalytic converter and is not approved for use on public roads.

Is a software adjustment necessary?
Yes, an ECU adjustment is necessary to prevent error codes and achieve optimal performance.

Is this a direct mount?
Yes, the downpipe is designed as a direct replacement for the OEM part.