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      12-02-2008, 09:24 AM   #32
Drives: E92 Jerez DCT M3
Join Date: Jan 2008
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Originally Posted by slammedm3 View Post
so deleting the cats would actually make a significant power gain?
and if I do decide to remove the cats...I should do that before tuning with AA. so they can tune the software precisely and properly towards having better exhaust flow?
Is that correct?
I don't know if AA has a tune for the cat delete, I would assume they do.

You probably don't want to run catless, just without one set, decide if you want the first or second set gone.
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