
kennethfong said:hi, don't they have any ported n polished ready intake manifold for sale??? another question though, any other intake manifold from higher end series of engine compatible with our 4g9x??? that's another way 2 work around......
if i have the dough, would have gone for 4 throttle with independent controller eg motec haltec bla bla......
Well, it is better to use a customised one... othere than that, the outlet for the intake may not fit 4G9x
Mivec's one is slightly smaller