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Old 11-26-2009, 09:29 AM
M5Pentagon M5Pentagon is offline
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Location: London, UK
Join Date: Nov 2009
Posts: 37
Mein Auto: M5
E39 M5 remove CATs or not?

Ok, so should I remove my CATs or not?

What will it do?

Increase performance?

What should I be aware of apart from the legal aspect?

I think it should make the noise somewhat deeper/throatier, but what do you guys think?

Many thanks in advance.
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