The following parts are necessary
2 of these for brake duct inlets for $44
https://www.pegasusautoracing.com/pr...p?Product=3627
2.5 high temp silicone hose (about 10ft is needed) $100
https://www.pegasusautoracing.com/pr...p?Product=3621
4 2.5inch aluminum flanges $40
https://www.aircraftspruce.com/catal...uctflanges.php
Necessary tools
long zip ties, small rivets, rivet gun, 2.5inch hole saw drill bit, and metric sockets. The largest socket is 18mm.
The pictures should be self-explanatory.
For the rear brake shields, I didn't feel like taking them off as it requires removing the parking brake. I just ended up drilling them and using the rivet gun while they were on the car.
Edit: I would not recommend going with the 3 inch hose as that will cause clearance issues. As is, the car will catch the quick jack stand in its lowest setting if I drive on top of it. I don't have issues with speed bumps because the intakes are close to the tires. As long as the body of the car rises with the tires, then things are fine.