hello peeps i was giving the engine bay a bit of a tart up last night and when i finished i started the ol girl up and it sounds like air is being drawn in somewhere behind the inlet manifold,can anybody point me in the direction of where or what it could be as ive only just noticed it,but the car doesnt seem to be losing power or nothing (even tho its only standard it still pulls ok )
hope someone can me

cheeRS rick e