What supercharger? And the intake is a modified version of something available or completely fabricated?

I usually buy cores from Bell and make the end tanks. They can build you one if you give them all of the dimensions.

https://bellintercoolers.com/

69 Charger. 438ci Gen2 hemi. Flex fuel. Holley HP efi. 650rwhp @7250 510rwtq @5700