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Originally Posted by Russ
I think it's only the petrol models Damo, the diesels are dead easy to mod and get the best results along side the XR5 of course. There is nowhere near as much power or torque gains on the N/A petrol models with the flash tune but from what I have read it still makes them a lot more responsive than stock and anything is better than nothing IMO  |
You might have some luck with the XR4 Fiesta mods, if you want to go further than flash tunes because its the same engine isn't it?