If I get a 3" y-pipe or True Duals, does that mean that I need to get 3" high flow cats? or can I get 2.5"?
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If I get a 3" y-pipe or True Duals, does that mean that I need to get 3" high flow cats? or can I get 2.5"?
I will be corrected if wrong, but I would think they would have to be 3" as well. Otherwise they would be an air restriction point.Quote:
Originally Posted by NJ2002WS.6
whatever the pipe size is, you will need that same size.