AIRTEC Motorsport Gearbox Breather Kit for Astra H Mk5 VXR Pipework finish:Pro-Series Satin Black Suitable for most turbo cars

Suitable for most turbo cars with an Air Flow Meter

Due to the position of the boost solenoid next to the turbo it is very easy to get damaged

(2) – Banjo Fitting w/ Bolt M20 x -10AN

the largest on the market it  has over 100% more capacity to generate added power

But if you want a cheaper and simpler solution

AIRTEC Motorsport Gearbox Breather Kit for Astra H Mk5 VXR Pipework finish:Pro-Series Satin Black Suitable for most turbo carsAIRTEC Motorsport gearbox breather kit for Astra H MK5 VXR, simple bolt on design. Designed to reduce oil temperature, increasing the life of the oil and gearbox. Supplied with all necessary fittings, fixtures and fitting instructions. Kit includes: All relevant fittings fixtures 1x Breather tank 1x Breather filter 1x Gearbox barb fitting 1x 8 Oil cooler hose 1x Pro Hoses silicone hose AIRTEC part no: ATMSVAUX6