The silicone-reinforced vacuum hose is designed as a cost-effective replacement for a worn original hose or as a preventative replacement to help avoid potential failure.
The 225/210 hp 1.8T engines fitted in the Audi TT MK1, SEAT Leon Cupra R and Audi S3 use a rubber hose on the intake manifold that supplies the brake vacuum system. The hose is prone to failure, which can cause a loss of engine power and reduced braking performance. The original replacement hose is only available together with the rigid pipes, resulting in a considerable and unnecessary additional cost.
- The Forge silicone hoses in this kit have an inner lining made from modified silicone, known as fluorosilicone.
- They are therefore suitable for use with modern long-life coolants, coolants based on organic acid technology (O.A.T.) and air containing oil mist.
- The hose construction is designed to exceed the properties of the original hoses while technically and visually improving the engine bay.
Suitable for: Audi S3 I (8L), Audi TT I (8N), SEAT Leon I (1M1).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Audi S3 | S3 | 1999–2003 | — |
| Audi TT | MK1 | 1998–2006 | 1.8T 210/225BHP |
| Seat Leon | MK1 | 1998–2005 | Cupra R 1.8T |
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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