This chip’s simple installation brings enough horsepower to throw you back in your seat. With improved shifting, efficiency, and overall drivability – it improves your vehicle’s performance in virtually every way.

This Part Fits:

Year	Make	Model	Submodel
1999	Ford	F-250 Super Duty	Lariat
1999	Ford	F-250 Super Duty	XL
1999	Ford	F-250 Super Duty	XLT
1999	Ford	F-350 Super Duty	Lariat
1999	Ford	F-350 Super Duty	XL
1999	Ford	F-350 Super Duty	XLT