x pipe vs. h pipe

i have a 67 camaro and im investing in some new exhaust....im only pushing 300 mabye 320 hp. i need to know some things.

1. do i go with h or x pipe
2. what is the loudest muffler on the box
3 and what size pipe should i go with to get the loudest sound

i have cut outs right now and they r to fuckin anoying so....

thanks again

SRY>>>>>*2. wat is the loudest muffler on the market

get 3 inch pipe and a x pipe. and get some dynomax bullets. they were too loud for mr luos.....

the x pipe will fit better get flowmaster 40 delta flow