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No cats
So far I've put on a catless Gruppe-S header & overpipe. I've got the quiet rumble now and would like to liven it up a bit more.
I don't have to have a cat where I live. Should I ditch the second cat for a straight pipe with the stock rear muffler? Or would I be better to replace the rear muffler as well?
Basically I'm wondering if the next restriction to replace after the header & over-pipe is the second cat or the OEM muffler?
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