Factory Header Cat Delete!!!!! ( PICS INSIDE )
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12-30-2011, 10:52 AM
Drives: 2006 330i
Join Date: Nov 2010
Location: Houston TX
Originally Posted by
My factory headers are quite different. Without the cats they would be even better.
Does anybody know these sims? Do they work?
euro header? idk lol i like yours wish mine were like that the flow would be amazing.
And yes they do work i used 4 spark plug foulers. I had to drill them out to let the o2 sit right. but i used two on each o2 and it cost me $6.59 lol
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