Hey guys.. just takin a general survey on what is the best muffler with a Single output for a 95 z... Aparently the insides of the flowmaster i have on the car now " wich was on it when i bought it" is busted up inside and sounds horrible... .. im looking to make some noise and get the best performance i can... engine has few mods... speaking of mods... whats the deal with this LT4 hot cam i keep reading about? good points? bad points? price? thanks guys..