The CTS Turbo test pipe for the Audi A4 B6 1.8T is designed as a direct replacement for the standard catalytic converter, installed immediately after the turbocharger. It is made from 3″ stainless steel tubing, with smooth mandrel bends and even transitions from the turbocharger to the exhaust system.
The test pipe has two O2 sensor ports, with an additional third port available as an option. Smooth exhaust gas flow can contribute to increased performance, improved flow and a more pronounced exhaust sound.
Product details
- Made from T304 stainless steel
- Mandrel-bent stainless steel tubing
- Fully TIG welded
- Fitting hardware included
- 3″ tube diameter
- 2 O2 sensor ports with an optional third port
- Weight: 4.54 kg
Using a test pipe may trigger the engine warning light (CEL). Suitable engine tuning software is required to remove it. The use of a high-flow catalyst is also recommended.
Using a Stage 2 software upgrade is strongly recommended.
Restriction: Suitable only for the Audi A4 B6 1.8T, model years 2001–2005.
Suitable for: Audi A4 II (B6/B7).
Approval
This part has no TÜV certification (ABE, TTG or Teilegutachten).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Audi A4 | — | 2002–2005 | — |
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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