Description: Software tuning / chip for Fiat Coupe 20v Turbo up to 300hpinstalled components: Garrett GT2560R (GT28R)Procedure: - We will send you the chip. This is sent in the control unit. Remove the old one and insert the new one. - Please specify which parts you have installed, i.e. which parts have been replaced compared to the originals. Either write an email or enclose a note with the control unit.