Catless downpipe with DPF for Audi A6-RS6 (C8), A7-RS7 (4KA) — TA Technix
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Catless downpipe with DPF for Audi A6-RS6 (C8), A7-RS7 (4KA)
Features
Technical details
- With DPF
What this part changes
The downpipe is the pipe that runs down from the turbocharger. This is where back pressure builds up: the turbine has to push the exhaust gases through a restricted section and often a catalytic converter. Making it larger frees up the turbine, allowing it to build boost earlier and more strongly - it is the exhaust modification you feel most on a turbocharged engine.
What changes behind the wheel is the response. The turbo takes less time to spool up, and the power continues higher in the rev range. On a remapped engine, this is the part that allows the ECU tune to deliver what it promises; without remapping, the ECU compensates and much of the potential gain remains untapped.
What to plan for
- ECU remapping: essential to make the most of the gain and prevent limp mode.
- Without a catalytic converter, the car is no longer road legal, and the engine warning light will come on if no electronic adjustment is made.
- Check the sensor port: single or double depending on the engine, as indicated in the product page's technical details.
- Removal often requires access from underneath and removal of an engine mount: plan for a lift or axle stands.
Compatible vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | A6-RS6 (C8-4A) | — | — |
| Audi | A7-RS7 (4KA) | — | — |
Delivery & warranty
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