Quote Originally Posted by DavidTB8889
I am having K04's put on my S4 right now, it has APR Stage 1 software... after the install, to upgrade the software for the K04 setup, will it cost more money or will it be free.

and i dont want GIAC
Thanks
your car will be a beast with those K04's. but why don't you want to go with GIAC?