- Until February 28th Save 10% or $100 on New Unitronic Performance Software*
*10% or $100 OFF whichever is greater, with the purchase of NEW ECU or TCU Unitronic Performance Software only. Not available on Upgrades. Cannot be combined with any other promotions. For example, you cannot add 10% or $100 OFF your NEW TCU tune on top of the DSG® Combo discount but you can save 10% or $100 on your ECU tune and still use the DSG® Combo discount on your TCU tune for great savings!