Quote:
Originally Posted by oc-boxster
93,000 miles, I'll shop around for an aftermarket direct replacement. Any brands that are good/bad? What do performance headers with hi flow cats run?
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big money. that's why I waited until my cats called it quits. I figured I'd pay for the steep cost of new cats and vroom vroom parts all in one. But I would go the used cat route if that can hold you over. Replacing headers will mostly likely lead to replacing other stuff!!
Or you could try replacing the 02 in question as a first course of action. Allegedly those are 'lifetime' parts so technically you shouldn't need to do more than just the one. Also, if your cats really were going, you'd be feeling in the right foot before long, it's hard to miss.