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Old 05-27-2012, 01:19 PM   #10
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Join Date: May 2009
Location: Washington (the state)
Posts: 1,689
My Ride: 2003 325xi
Magnaflow offers a header/cat setup for $700-$800 (ea. front and rear) that lists as XI fitment. No poster ever talks about these. I'm guessing due to being more expensive then Ebay headers with Frankenstein pipe/muffler setups. The header need is questionable as some may not realize they take away from low-end torque and move the HP curve up to higher RPM to be effective for "gains".

Various brands below list as manifold/cats but the magnaflow appears as equal length, head pipes. Not sure if that would be a true "header"?

Check these babies out >>,universal:0)
Anything made can be made Better

Last edited by White_Knuckles; 05-27-2012 at 01:30 PM.
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