This is a work in progress and will be updated over time. None of this is from my own experience, but from posts I've seen on Facebook. Your results may vary, so please check if unsure. This topic is aimed at filling the arches, so I won't go into Honda OEM sizes.
Obviously a lot depends on tyres size/brand, amount of camber so this is just a rough guide. Please post your own experiences and I can add them to this post.
Fits without reported issues:
18x8J ET48 square fits
18x8.5J ET52 square fits - widely reported as the 'ideal' setup.
May require arch roll:
18x8J ET42
18x9J ET35 front/18*9J ET50 rear
18x8.5J ET43 with 225/40 R18 AD08 rubs on rear slightly and fronts on full lock
Obviously a lot depends on tyres size/brand, amount of camber so this is just a rough guide. Please post your own experiences and I can add them to this post.
Fits without reported issues:
18x8J ET48 square fits
18x8.5J ET52 square fits - widely reported as the 'ideal' setup.
May require arch roll:
18x8J ET42
18x9J ET35 front/18*9J ET50 rear
18x8.5J ET43 with 225/40 R18 AD08 rubs on rear slightly and fronts on full lock