Need help with orion hcca box please
 

I was wandering if anyone could help me figgure out what box my sub will be loudest in I'm thinking 4th order ported threw the ski port also if anyone could help me with a cut sheet and a little advice it'd be much appreciated this is my first build n I have no clue wtf I am doing I just know I want the know how for my pursuit in employment in the car audio field thanks guys