Question Status Bar Gradient File? Please? Anyone?

Can someone please tell me how to remove the gradient of status bar in kitkat update on my GS4 I9500 or atleast modify it?
I know how to compile recompile etc
and I guess it would be in systemui.apk but please can someone tell me which file it is?
I want to make it lighter or remove it altogether

Plsss any help would be appreciated