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Only reason to bother is if you're putting in long tube headers and need to build a custom Y pipe. You can install a high flow cat to keep it clean. Deleting cat just to delete cat is wasted effort. Much better off investing the effort into a cam swap or headers.
Sorry forgot to add what it is,,,,,,,,, its a 97 F-250 with a 5.8 ,,,, my cat is probably good but the forward flange is darn near rusted away so contemplating running without the cat after the flange rots away...
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