Welcome to HTS, and glad you joined! 
You might want to try posting your question in the DIY Speaker Forum, or the DIY Repair & Maintenance Forum to get better exposure. In general, modifying speakers is not a good idea. Cabinets, drivers, and crossovers are designed to work together. Change one and the other(s) may not perform correctly.
You might want to try posting your question in the DIY Speaker Forum, or the DIY Repair & Maintenance Forum to get better exposure. In general, modifying speakers is not a good idea. Cabinets, drivers, and crossovers are designed to work together. Change one and the other(s) may not perform correctly.