Conversation Between NorthVan and Ilias4s

I want to ask you i have the PSE with X51 headers and i want to order the AWE cats or the APR cats because i want to make the car sound very loud when the PSE is on and quiet when is off but i don't now witch is more loud the APR cats have it one friend of me and is very very loud but AWE cats i dont now...can you help me.Thanks