Forge Motorsport Splitter Blow Off Dump Valve Vw Golf MK4 1.8 Turbo 150bhp GTI 180bhp In The Box: - 1 x Forge Motorsport Valve - 1 x Valve Blanking Cap - 1 x Instruction Booklet - 1 x Forge Sticker Main Benefits - Recirculating And Blow-Off Sound (Adjustable) - Fully OEM ECU Compatible - Direct Bolt On Please Add A Note - in the payment checkout which colour valve you require BLACK or POLISHED a POLISHED valve will be sent out as Default if no note is added. Product Description The Splitter is a truly remarkable valve that gives a combination of blow off and recirculation valve operation, all at the same time, and has been specifically designed for the many turbo engined applications that operate metered airflow management systems. This means you get all the noise.