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i have got a pretty much standard impreza and had these plugs in my last car PFR7Bjust wondered if i could use them in this one.if not what about when get it remaped can i use these then
If its a JDM new age then they are standard anyway, if its a classic none 276bhp car then you dont need them, if its a UK sti pre hatch then you dont need them.
OOPS - Subaru serviced my 04 JDM last time and they put 6's in. Will this be ok or should i get them changed to 7's. Used daily but no to any very high prolonged temperatures.