20's fit .. if you can't lay on 20's if you have a 4 door without re-doing the rear door jam work. Since the 2 door have perfectly round rear wheelwell .. the 4 door accomadate (sp) the rear door jam shape. Just look at this civic from streetsourcemag.com for example
Http://www.streetsourcemag.com/Profile.asp...ProfileID=21133
Heres some pics of it. For more pics .. click on the link