Quote Originally Posted by integraguy06
this might sound like a noob question... but for example, there are N1 systems for cat back exhausts on sale on ebay, and i dont know if it will sound like the apexi N1 system or not...
usually if it's the same style of muffler, same pipe diameter, and same number of resonators they will sound the same. Some have no resonators, so they are louder.