I autocross my Integra. I currently have Blades with Falken Azenis. I run in a class that race tires are legal. I'm looking at getting wider tires and slicks. I was hoping to get some helpful/effective suggestions. I'm also curious if 13's would fit on a teg, I think I read somewhere smallest is 14's but if someone could clarify that would be helpful.

 

14's are the smallest you can fit on a dc integra(non type r), the 13's won't clear the brake calipers,

 

.. id run a lightweight 15 x 7.5 wheel or 7 whichever.. and i believe the new hoosiers come in 225/45 15...

 

Most 13's won't fit, but there are a few "off the shelf" options.

The Lenso VPD 13x7.5 and Volk TE-37 13x8. The second one is more expensive and kinda rarer. But they both clear the 10.3" GSR brakes.

Panasports C8 3piece modulars in the correct backspace also fit, but this is considered a semi-custom setup. And I forget the exact backspace needed.

I've driven a friends DSP GSR on the Lenso's, seems to be a cheap & viable solution. For SP type classes, this is a good route since you get instant lowering and shorter gearing switching to 13's on autox days.