The CTS high-flow catalytic converter pipe for the Audi A4 2.0T is designed as a direct replacement for the stock catalytic converter mounted directly behind the turbocharger.
It is manufactured from 3-inch stainless steel piping with smooth mandrel-bent bends. It is equipped with two ports for O2 sensors and an additional third port. The nearly 4″ expansion then tapers to 3″, enabling the best possible exhaust gas flow when transitioning from the turbocharger into the high-flow catalytic converter. The pipe is hand TIG-welded.
Installing the high-flow catalytic converter pipe improves exhaust gas flow, can increase power and creates a more pronounced, sporty exhaust sound. An additional port for a wideband sensor is also included, suitable for data logging.
Product details
- Manufactured from T304 stainless steel
- Mandrel-bent stainless steel piping
- Fully TIG-welded construction
- Third port for an O2 sensor or wideband sensor included
- Mounting hardware included
- Suitable for the stock turbocharger and CTS-TR-1070
Important installation information
The product is intended for 2006–2008 Audi A4 2.0T vehicles with a manual or automatic transmission. It is not suitable for vehicles with a CVT transmission or front-wheel drive. It fits left-hand-drive vehicles only.
After installation, the check engine light (CEL) may come on. Suitable software calibration is required to remove it; the use of a Stage 2 software upgrade is recommended.
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 | — | 2005–2008 | — |
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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