International auction house RM Sotheby's is prepping for its Arizona sale next month, which will include this eye-popping 1979 Ferrari 512 BB clad with customizations ranging from a highly tuned 5.0-liter Testarossa engine, good for upwards of 1,100 hp, to a full stainless-steel exhaust system with titanium mufflers. Expected to go for somewhere between $225,000-$275,000 and offered without reserve, you check out a preview in the gallery below and scope out the full specs here.