Catless downpipe with DPF for Audi RSQ8 (4M), Lamborghini Urus — TA Technix
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Catalyst-free downpipe with DPF for Audi RSQ8 (4M), Lamborghini Urus
Features
What this part changes
The downpipe is the tube that runs down from the turbocharger. This is where back pressure builds up: the turbine has to push exhaust gases through a restricted section and often a catalytic converter. Enlarging it frees up the turbine, allowing it to build boost earlier and more decisively - it is the exhaust modification you feel most on a turbocharged engine.
What changes behind the wheel: the response. The turbo takes less time to spool up, and the power delivery holds higher in the rev range. On a tuned engine, this is the part that allows the ECU to deliver what the tune promises; without tuning, the ECU compensates and much of the potential gain remains unused.
What to plan for
- ECU remapping: essential to take advantage 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's technical details.
- Removal often requires access from underneath and removal of an engine mount: plan for a lift or axle stands.
Compatible vehicles
| Brand | Model | Engine | Years |
|---|---|---|---|
| Audi | RSQ8 (4M) | 600 hp · 650+666 hp | — |
Delivery & warranty
Frequently bought together
Enthusiasts at your service
since 2017
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