Product Information
Get the classic dump valve sound on your 1.2 or 1.4 TSI.
These engines don’t have a dump valve from the factory. This kit adds one, so you hear it between gear changes and every time you lift off. There are no warning lights and the car drives exactly as before.
Key features
- Replaces the plastic turbo-to-manifold pipe with a Forge silicone hose, in a choice of colours
- Fluorosilicone inner liner, safe with long-life OAT coolants and oil mist
- Complete kit with everything you need and full fitting instructions
- No check engine light (EML)
- Lifetime warranty
- Registered design (No. 5004511)

Check it fits
Fits 1.2 TSI engine codes CJZA, CJZC, CJZD and CYVB, as found in the VW Golf and Polo, Audi A1 and A3, SEAT Ibiza and Leon, and Skoda Fabia and Octavia.
Fits 1.4 TSI engine codes CMBA, CXSA, CZCA, CHPA, CPTA, CZDA and CZEA.
Doesn’t fit
- 1.4 TSI hybrids (VW Golf GTE, Cupra Formentor and Leon e-Hybrid). Use our GTE dump valve instead.
- Cars with a diverter valve already on the turbo. If there’s a round valve bolted to the turbo’s compressor housing, you need a different kit. This applies to the earlier 1.4 TSI twincharged engines:
- VW, Audi, SEAT and Skoda 1.4 TSI twincharged: FMDVATSI



⭐ Amazing. Arrived next day and fitted with some help from the instructions 20 mins after it arrived, makes a really nice subtle ‘pshh’ already had compliments from 3 strangers ⭐
⭐ Great service, fast shipping excellent product quality! ⭐
Please note
- Designed for the standard intake. We can’t guarantee fitment with every aftermarket intake.
- Fit the supplied blanking plug if your car doesn’t have a secondary breather.

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