for as every one knows the stock intake abs manifold for the ecotec is good for bout 12 pounds of boost. what is the best metal intake manifold to use any ideas and will a intake manifold from a 2.3 work i highly dout it but who knows plz respond
its good for more than 12 lbs....alot more.ive seen them reliable up to 20 ish then start having mishaps from there, usually caused by poor tuning.
for a metal intake there is the
hahn port fueler
saab 9-3 intake manifold
custom
have your pick