I would really love to slap on some wilwoods onto my car. Problem is is that I think that the rear caliper is too small so im wondering if a front caliper would work in the rear? And does the caliper really matter? Like could it work for lets say a Buick? or do I need Honda specified Calipers?

 

Anything will work if you make the proper bracketry.

 

Leave the rear caliper alone and just remove the prop valve from the system. That way you'll have more line pressure to the rear to offset the increased piston area of the new front calipers.

 

Just buy the 11" rear kit. If they make it for your car. I have the 12.9" because they don't make an 11" kit for the ITR.