Sirion brakes to YRV turbo brakes?

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Hello again, after me and the mechanic gave the rally 4 a much needed service we notice the far side brake was in an apawling state! rusted right though! no wonder the brakes were binding!
So i was wondering, as the sirion and the YRV share chassis setups would the YRV turbo caliper fit straight to the sirion? obviously i would need news disks and pads too. also this might help the sirions lack of stopping power.
thanks
Josh

I can't see why not. Although

I can't see why not. Although you must have 15" alloy wheels to get them to fit. Also bare in mind that if you ever get a puncture or blow out on any of your tyres your space saver wheel may not be the correct size if you need to put this on. This is why the YRv Turbo and Copen are sld with this size of wheel as standard.

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'12' Plate Mazda MX-5 2.0 litre NC 3.5 Venture Roadster 160BHP
'15' Plate SEAT LEON 184 FR TDI. 240BHP/500nm Torque.
Past: '53' Plate Yellow YRV Turbo Approx. 150BHP