mounted

Selling a set of 4 black Tech 7 RTR Wheels. Front 2 wheels are 19x9.5 wrapped in brand new 275/35 ZR19 Michelin PS4s with about 200 miles on them. Back 2 wheels are 19x10.5 wrapped in 305/35 ZR19 Michelin Pilot Super Sports with about 7,000 miles on them. All wheels are mounted and balanced...

Anyone have experience with chassis mounting the APR splitter or any other splitter? I've done extensive searching, but couldn't find a single thread that goes into detail about chassis mounting a splitter. If anyone has a How-To or personal experience/instructions, I would greatly appreciate it.