Made from high quality Aluminum alloy.Atmospheric Blow Off Adapter is a sandwich type adapter that fits between the existing electrical solenoid and the turbo charger housing and will stop the re-circulation of hot air and reduce 'lag'.This atmospheric diverter for Part Number valve dumps the charge-air to atmosphere creating the 'Whoosh'sound when the throttle is lifted.Allows charge air to be recirculated around the turbo charger from the boost side back to the intake side100% Brand new item, never used or installedBy fitting the adapter between the existing solenoid and the turbo housing (this involves removing only 2 bolts) the air is re-directed to atmosphere rather than recirculatedThere are no installation guides included, we highly recommend professional installationSpecifications:For BMW Mini Cooper 2007-2012 (R56, R57)For Peugeot 1.6 Turbo Engines 207 GT 307 & 308colour: blackMaterial: aluminum alloyPackage Contents:1 x pressure relief valve3 x boltsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.