Help with rs tuner

[Nayls]

Evening all!,
so i have bought and rs tuner from a mate and was e-mailed 2 maps,but both are .cal files,im sure i need a .rst file to write to the ecu? is that correct?
and does anyone have one they could e-mail me?
Thanks

 

[Nayls]

Anybody got any maps they could e-mail me?