They won't void your entire warranty just for having mods but if a mod is a direct cause of a failure they will void warranty replacement of the failed part. I work for a dealership and have done warranty admin.
Long story short no they will not fit r15 indicates a 15 inch rim. You have a 16 inch rim now so no they will not fit first two numbers are in reference to width and height of tire.stick with stock size so your not messing with speedo values. No need to change size just for new tires unless...
I did join this forum now that I bought this protege and there is a lot of useful info on here. I have already relocated the maf and going Tuesday to get the ecu reflashed for the stumble.. Next steps are suspension kit from corksport and tuning. Absolutely love this car. Also have a 2012...