moregrip Posted January 14, 2006 Report Share Posted January 14, 2006 I have a couple of questions, I have a 6.0L 2500HD, it seems to have the same exhaust system as the 8.1L, so the question is, is this the same exhaust system as the diesel trucks? and if so, I imagine the stock catalytic converters must flow fairly well. Anyone know what cfm they are rated at? So here's my idea, by my calculations I need approx 1375cfm total to support the mods I have planned. Since I know of no 2 cats that will flow that high, I can use 4, or hopefully, the 2 cats and the 2 pre cats that come on the truck stock in the below configuration. OK all you exhaust experts, feed me some info, thanks in advance Quote Link to comment Share on other sites More sharing options...
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