Mercedes A45 CLA45 GLA45 AMG (Pre Facelift) Forge Motorsport Blow Off Dump Valve

This will fit the Prefacelift A45, CLA45 and GLA45 AMG Cars (Pre-Facelift Models Only). The engine as supplied by AMG has a port for a dump valve on the side of the turbo, but it is blanked off.

eBay