Originally Posted by
cossiegreg1
im thinking of getting rid of the greys, and putting in some siemens.
will i need to change the chip?
you will def need a new chip; greys are good for 450hp ish, you sure they are going to get maxed out?
like tabs said, dont change unless you have too
edit: the siemens are all the same price 55's, 72's & 83's!
