I wouldn't say 15's are a nightmare really, esspecially on a sei, their arches seem to have a bit more space. There's been quite a few cars on 15's now. My cinq has 15's on it, J333EVO ran 15's on the sei 1.4 16v. What i would say though is it kinda kills acceleration completely unless you have the power to overcome the issue. Neither can you lower the car much but it is doable.
Slam it, alloys and hidsif thats not your plan then ignore this comment and carry on
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Hi i love the cades wheels on your sei :slayer:
I have an hid kit fitted that's it in the last two pic's![]()
If you want a dish, and therefore quite wide wheels then i'd go for smaller than 15s. You won't be able to go wide enough to make the dish look any good. 13s are your prob the best bet if you wanna go down the dish route, they will look wider due to the smaller height of the wheel. 14s would allow you to fit PuntoGT brakes though, but you can get UnoT brakes on with 13s. And then go low as you can for the roads in your area and your onto a winner me thinks
Hope that will be of help
C.