Stay away from Powerdyne
I must take it upon myself to warn you,to please consider other manufacturer's such as Vortech,Paxton,etc..Powerdyne blowers have a bad history of their internal belts breaking,even in low boost applications,it's not a matter of if the belt will break,it's a matter of when,so please look around before you make that purchase.
As far as injectors with 6lbs of boost,you wont need to change them,they will be fine,especially with the FMU that will most likely be included in the kit you end up buying.Changing the fuel pump is a good idea,but know that you will be fine running the stock pump.When you do replace the fuel pump,put in the biggest pump you can get,that way you should never have to take the gas tank down again when you get greedy and wanna turn up the boost.
spark plugs...go with a step or 2 cooler as this allows more heat to be transfered to the head,keeping the plug cooler and reducing the chance of the dreaded detonation.Also close your gap as well,as the flame tends to get blown out with the wider gap.
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