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      02-02-2013, 03:07 PM   #10
SDemetris
FSAE Dude
 
Drives: E90 328xi
Join Date: Jul 2012
Location: Pittsburgh, PA

Posts: 439
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Quote:
Originally Posted by Amini77 View Post
Secondary cat delete or primary? Don't the primary cats on the headers, if taken out, release more power than taking out the secondary cats?
Secondaries.
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2007 Titanium Silver 328xi: FBO - headers. Upgraded suspension and brakes.

1985 Gazelle Beige 325e: Nursing it back to health from PO negligence.. Soon to be track car.
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