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      11-03-2013, 10:57 PM   #15
scott135i
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Drives: 2020 X5 M50i
Join Date: Feb 2009
Location: NYC Metro

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Quote:
Originally Posted by kthankzbye View Post
I did it all at once. Get some vibrant resonators to replace the secondary cats. It makes the growl deeper.
99% sure they're not secondary cats, they're resonators...

If you're in NYC, I'd love to swing by and check out your exhaust in person some time.... PM me.
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