CTS Turbo test pipes are designed as a direct replacement for the standard downpipes with restrictive catalytic converters mounted directly behind the turbochargers.
The product was developed using modern CAD technology and manufactured for precise fitment in place of the factory downpipes. It is made from T304 stainless steel, hand TIG-welded and back-purged with inert gas for long-lasting reliable operation.
The main benefits of installation are increased power, improved exhaust gas flow and a deeper, more pronounced exhaust note.
Product details
- Manufactured from T304 stainless steel
- Mandrel-bent stainless steel pipes
- Fully TIG-welded construction
- Fitting hardware included
- More pronounced, deeper exhaust note
- Performance upgrade
- Weight: 15.88 kg
Appropriate engine management software calibration is required to switch off the check engine light (CEL), which will appear after removing the catalytic converters.
Stage 2 software is required to prevent the Check Engine light from coming on.
Limitation: the product is intended for Audi RS5 B9/F5 vehicles with the 2.9T engine.
Suitable for: Audi RS5 II (F5).
Approval
This part has no TÜV certification (ABE, TTG or Teilegutachten).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Audi RS5 | — | 2018–2021 | — |
Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.

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