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      12-24-2012, 01:53 PM   #10
jeremyr4
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Drives: '13 E93 M3
Join Date: Aug 2008
Location: West Los Angeles

Posts: 177
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Quote:
Originally Posted by KudosM3 View Post
Great write up!

Are you planning on removing the primary cats and a tune of some sort?

How would that impact upon the noise levels? Ie would you say there is room to manouvre without sounding like a cheap loud exhaust

I'm thinking as an alternative, to remove the pre cats and leave the back box OEM

I definitely have no plans to do anything else right now. To put things in perspective, while I owned 3 E46 M3 Convertibles in the past, this is the first time I have ever modified a car. So I'm pretty conservative compared to many people on these boards.

Unfortunately I have never heard a cat delete so it's hard for me to give you feedback on it. Sorry I couldn't be more helpful...
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