Rear Spacers with Cooksports

[Westyfield2]

As per the title!
Clio 182, lowered on Cooksports, ET45 wheels (182 Cup), 205 profile tyres.

What size spacers can you run before needing a non fat mates rule?

 

[imprezaworks]

I'd go with 10mm axle spacers or get lower et wheels.