Originally Posted by patrickrobare
Im about to buy a catless downpipe and make my own exhaust system. I plan on running a straight through magniflow muffler in the midpipe and 3in straight back that splits into two sorta like stock. Is it better to buy a catted downpipe or put a cat between the muffler in the midpipe and downpipe? Or should i just forget the pipe?
put the cat right after the downpipe, then make a straight pipe matching the cat length. make it easy to change and you have a test pipe for full time use, and a cat for sniffer time.