the coupe and sedan should be relatively similar, this link from college hills on installing the HFP suspension should give you a starting point.
http://www.collegehillshonda.com/instructions/civic/2012/2dr/hfpsuspension.pdf
from there what you could do is actually is pull your front struts...
hondata already did a r18a1 flashpro on the 8th gen, no one wants to build anything for the r series crowd it seems. You have to go custom build if you want any sort of forced induction and a supercharger doesnt exist
We only got a little of whats hitting west virginia, its really windy but only a inch or so of snow. My mom in baltimore was told by the hospital to stay the night and they put a cot in her office
you could use something like the JL Cleansweep to flatten out the signals coming out of your stock head unit and provide all the line level outputs you want
http://www.jlaudio.com/car-audio-oem-interface