ashley ones are shite to really,

ive got 1600 manifold with egr welded up, and tbh ,for the minimal difference it made, wish id kept it, cus fuck me my car licks fuel now.

st170 manifold is good,

and xs manifolds makea nice one for it to.
go on ebayy andlook for stainless manifolds, theres some pukka ones on there,
i think steve with the red focus with the black bonnet got one for his car, loooked good.

what inlet you using,and does your car hunt at idle, my 2.0si does, so does my mates, tried loadsof different mafs aswell