CTS Downpipes Audi RS4, RS5 B9 2.9TFSI (Non-OPF)

The CTS Turbo B9 Audi RS4/RS5 High-flow is designed to fit seamlessly in place of your restrictive stock catalytic converter, located directly after the turbo.

Engineered with the latest CAD technology, this part fits perfectly in place of your stock downpipes. Made from T304 stainless steel, hand TIG-welded, and treated with back purging for years of reliable performance.

Significant power gains, improved exhaust flow, and a deeper sound are the main benefits of installing our test pipe.

Product details:

– Made from T304 stainless steel
– Mandrel-bent stainless steel
– Fully TIG-welded design
– Mounting hardware included
– Deep sound
– Significant power upgrade

The check engine light (CEL) may illuminate; use of proper tuning software is required.

Use of a Stage 2 software upgrade is highly recommended.

FITMENT:

• 2018+ B9 Audi RS4/RS5 2.9T without OPF