Manufacturer	Part Number	Description
PROTON	PW530172	Middle Silencer
PROTON	PW530173	Middle Silencer
PROTON	PW530174	Middle Silencer
PROTON	PW530175	Middle Silencer
PROTON	PW530176	Middle Silencer
PROTON	PW530388	Middle Silencer
PROTON	PW530523	Middle Silencer