stlunatics2oo3 Posted February 28, 2003 Report Share Posted February 28, 2003 okay i have a single out let exaust that is 2 inch. and i recently bought a complete dual exhaust system that is 2 1/4 inch. it is a complete bolt on. so my question is which cat. converter is better the duals or single out let one ??? ??? Quote Link to comment Share on other sites More sharing options...
Robby1870 Posted March 1, 2003 Report Share Posted March 1, 2003 I would say the one with the dual cuz it would have a bigger inlet/outlet. But I thought all the cats. were the same......oh well....learn something new everyday Robby Quote Link to comment Share on other sites More sharing options...
RedZMonte Posted March 3, 2003 Report Share Posted March 3, 2003 I would run a Carsound High Flow 2.5" in/out cat. RedZ Quote Link to comment Share on other sites More sharing options...
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