If you have an older version of Hondata's s300 and would like to Upgrade to the Version 3 all you need to do is fill out this form , Print it and send it to Hondata along with your ECU containing your older S300. We will send Hondata your Purchase order and your S300 will be upgraded to V3.

(S300's must be in working order or they will be returned)

*PRICE INCLUDES OVERNIGHT RETURN SHIPPING FROM HONDATA