by harnishclan on Thu Jun 09, 2005 11:00 am
Andy, I am using ceramic MSDS header and that has a 3" collector. That uses the standard 3 bolt triangle common to many headers. I also bought a 3" to 2 1/2" reducer and just welded that to a straight pipe that is welded to the the stock flange which is bolted to the stock muffler.
Brian
Brian Harnish GP #815
Current: 08 Cayman S, 87 944 S, 87 944.
Past: 81 911SC, 83 944, 86 944, 82 924T, 97 993, 84 944, 87 944, 83 944, 04 Cayenne S, 81 924T, 01 Boxster S.