Best place to buy rs tuner with over run?

[shane159]

Hi guys I'm looking to buy a rs tuner but don't know much about them or where to get one from, can anyone help with my search please?

Also how much are these?

Any help would be great thanks.

 

[Beef-Mc]

Google Fastchip, get it from there.

 

[shane159]

Thanks buddy, any idea which one I need to go for?