This boost hose is an essential upgrade for every RS4/RS5 B9. It was developed with our High-Flow No-Edge technology, which creates a smooth and perfect transition directly from the boost hose into the throttle body, reducing turbulence and effectively increasing the flow rate.
- Plug-and-play replacement for the original boost hose
- Extra-strong fabric with additional reinforcement prevents the boost hose from contracting or expanding, resulting in increased airflow
- HF-Series No-Edge technology
Suitable for: Audi RS4 V (B9), Audi RS5 II (F5).
Manufacturer’s vehicle data
- Druckschlauch LLK > Drosselklappe Audi RS4/RS5 B9 quattro 450PS
Original product name by HG Motorsport (»z.B.« = e.g.). Please check model, year and engine of your vehicle before ordering; if in doubt, contact us and we will check for you.
Approval
The manufacturer does not state an ECE, ABE or Teilegutachten approval for this part.

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