1、It has been designed to work with the original electrically controlled solenoid valve and utilizes premium o-rings for a perfect seal. 2、When letting off the throttle you can get that sweet and satisfying "whoosh" letting everyone know your vehicle is in fact turbocharged. 3、Made of solid aluminium alloy, provide you the sound you have been looking for. 4、Designed to produce the great atmospheric BOV sound that is expected from your turbocharged vehicle, although normally lacking on your vehicle. 5、Brand new Blow Off Spacer Adapter fit for Mercede 2.0 Turbo A180 CLA250 A250 GLA250 Features: Brand new Blow Off Spacer Adapter fit for Mercede 2.0 Turbo A180 CLA250 A250 GLA250 Designed to produce the great atmospheric BOV sound that is expected from your turbocharged vehicle, although normally lacking on your vehicle. Made of solid aluminium alloy, provide you the sound you have been looking for. When letting off the throttle you can get that sweet and satisfying "whoosh" letting everyone know your vehicle is in fact turbocharged. It has been designed to work with the original electrically controlled solenoid valve and utilizes premium o-rings for a perfect seal. Specification: Condition: 100% Brand New Material: Aluminium alloy Color: As Pictures Show Fitment: Fit for Mercede 2.0 Turbo A180 CLA250 A250 GLA250 Package List: 1 * Blow Off Spacer Adapter 3 * Screws