Originally Posted by
Chrisc123
Well im actually thinking about getting one for my truck (along with other things)
What do you recomend for a 07 F-150 with the 5.4l V8?
You will want to get the 57-2556 aswell. This system hooks up with a throttle body spacer where our 77 series hooks up with the throttlebody in the factory location. The 57 series is 50 state legal and will out perform the 77 series.