Originally Posted by 1turbofocus
I have seen a lot of the cosi intakes and haven't seen much room to improve on them , I would be careful where you ported the intake
When you get ready for a tune I can help if interested and you will get free tune updates as you add more NA mods as well as my datalogging services
I'm just going to use the intake manifold gasket to mark the head intake ports and compare that to the manifold to see if any material needs to be taken off the manifold. If it matches up perfectly first try I obviously won't bother porting it.