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      02-06-2020, 12:48 PM   #3
luckyse7en
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Drives: 2013 BMW E92 M3 ZCP
Join Date: May 2013
Location: Oregon

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Quote:
Originally Posted by ethan9273 View Post
I'm looking for a little bit more sound without too much more raspiness or drone. My understanding is that second cat delete would be better for that. However I'm having trouble getting any muffler shop or fabricator to do that for me here in CA. They are willing to remove resonator but I'm concerned about raspiness and drone. Doc folks have input on how much different these two options are with a dinan exhaust ??? Much appreciated
Maybe try getting the RKP (Challenge) street x-pipe and see how that sounds? That x-pipe removes the 2nd cats. If you don't like it, you can sell it and swap OEM back in.
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