Use a PLASTIC razor blade and a heat gun. I've taken MANY badges/dealer stickers off in my days. If any residue is left a little goo-gone work great. Put it on the rag and wipe the residue that's left, don't put the goo-gone directly on the paint.
2006 Focus ZX3 SAP, Draxas Header, FS Werks Flex pipe, MBRP exhaust, CAI, Tuned, Debaged, tinted windows, FRPP lowering kit, SVT 5-spoke wheels, Black Halo Projector Headlights, Niteshaded Side markers and tails, Mazda rear wiper, mustang antenna.