auto blow off valve atmospheric valve for amg a45 gla45 cla45 2.0 turbocharged m133 engine

the engine comes complete with a port ready for a blow off valve on the side of the turbo - its currently blanked off for cars in standard tune and use, but ones you remap, or even use it on the track, the driveability can be affected under hard acceleration - which will drop engine and turbo performance and reduce the life of the turbo. the kit bolts up with all hardware provided. 100% new element, never used or installed
- all aluminium construction
- vent to atmosphere action - that 'tschh' noise on lift off.syi