Thread: Secondary cat delete with oem exhaust mod?
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      07-05-2017, 10:11 AM   #35
Markyu1996
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Drives: E90 M3 Alpine White
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Quote:
Originally Posted by gatorfast View Post
Holly necro.

It's way too raspy, leave the secondary cats on.
Thats not true, i did it. Soundds pretty good to me.
Here's a video:
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