Thread: Factory Header Cat Delete!!!!! ( PICS INSIDE )
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      01-04-2012, 10:55 PM   #41
DJ Apex
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Drives: 2006 330i
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Quote:
Originally Posted by gtabfknkdnme View Post
What's the total gain AA is saying for deleting primary cats with the off road tune?
they dont know they have never done it with factory headers lol
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