Ok, im planning to upgrade to 450 injectors, Will ineed to upgrade fuel pump and fuel rail too. Also will i need a after market fuel controler.
Or can i go ahead and put my 450 with out doing all off this?
You will definatly need to upgrade your fuel pump and you will need a fuel controller like an Apex s-AFC, VPC, ARCII.....etc. I'm not sure about the fuel rail though. I think the stock one will be fine.
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