have the 250 X pkg fully loaded with f-sport upgrades, has 47,000 miles and haven't had to pay anything for brakes so far. I have had them replaced twice along with the rotors by the dealership under warranty. the last set of pads that they put on were the ceramic ones. only problem is now I am to the point I have to replace my rotors and pads on my dime. no more freebies.. (down to just under 3mm and have bad grooves in the rotors) I was thinking that as long as I have to do the brakes, to upgrade and install is350 calipers etc.. goes from the 2 piston to a 4 piston caliper and bigger rotor. from a little research, can get the kit from sewell for $723. How many of you guys have done this brake change and would you recomend it or look at other aftermarket set ups?