Any performing part requires updates and upgrades in order to function fluidly. This is true with Rio Rondo car too. The new rondo performance chip comes with a bang helping the car move in great speed. As you modify the balance signals in the car system, the torque and power is improved significantly giving your Rondo a jig every time you step on the gas pedal. You will realize the importance of this rondo ECU chips when you leave the fuel pump. A full tank will get you to far places without asking for more. The prices of the chips are not killers or destroyers in themselves, they give you your money value back when you get into driving your Rio Rondo. Get these Rondo chips installed in your car now and join the elite in reaping the benefits in the long run my friend and witness to others these values.