had to put a hole in top of front upper voltage regulator on top, new Wideband clips are 4 times bigger than stock ones, so there is a screw push in lock on the clips, that you can secure in hole on frame , custom holes, I since this pic, colored grey security clip with black sharpie, ordering DK Customs front chin spoiler w/vent, will look cleaner, and I wanted one anyway, this was only places with the target tune, you need to connect the ends of old o2 sensors that go to ecm, to intercept, and