Quote:
Originally Posted by GreatWhiteLT
To my knowledge and what I have read on here, when you go s/c you need to change to 2' headers and I have seen a couple where the power they put out can melt the cats. I would go catless if you could to minimize the restriction through the exhaust.
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You don't need 2" but that is the optimal solution. You can still make good power on stock headers with cat deletes.