Ok so i've got my T5 and I'm happy with its performance but I keep reading about Something called RICA and ECU Upgrades and Re-Mapping Etc and i have know idea what it is or does.......So
What can I expect to gain?? (0to60...etc)
What are the risks??
Is it worth bothering??
and what on earth is RICA??
Sorry if this as been asked 400 times before.........
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