The CTS Turbo 3-inch cat-back exhaust system for the Audi A4 B9 2.0T is hand TIG-welded from high-quality T304 stainless steel. It is designed for road use and vehicles with larger turbo modifications.
The 3-inch exhaust system design is suitable for vehicles where increased engine performance is the goal.
Product details
- 3-inch non-resonated downpipe, twin 2.5-inch exhaust pipes
- Aggressive sound during dynamic driving, yet subdued when cruising at a steady speed
- Waterjet-cut flanges
- CNC-bent stainless steel pipes
- Double-wall 4-inch exhaust tips
- Resonators without unwanted cabin drone
- According to the supplier, it does not cause the engine warning light (CEL) to come on
- According to the supplier, replacing the restrictive factory exhaust can provide a gain of 10–12 hp
It is compatible with the factory catalytic converter or with a de-cat replacement pipe or high-flow catalytic converter.
Suitable for: Audi A4 IV (B9).
Approval
This part has no TÜV certification (ABE, TTG or Teilegutachten).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Audi A4 | — | 2017–2021 | — |
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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