I have installed top-mounted water-air-intercooler, 3" down pipe + exhaust, tuning-box for ECU + some fuel pump adjustment.
Now it makes about 120 kW.
The core is 10"x4.5"x4.5". I have 2" bodylift, the cooler would not been fitted without it.
P.S. Your "new baby" is very nice, I like those tires.