Maybe its the resonator box for the air intake.
On a Mk3 its not far from the battery, kinda below the passenger headlight.
I'm not sure about mk2's tho. Can you not see where it connects to and follow the pipes?
On a Mk3 its not far from the battery, kinda below the passenger headlight.
I'm not sure about mk2's tho. Can you not see where it connects to and follow the pipes?