Cat sizing for fx4

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Jul 24, 2011 | 11:57 PM

dasher108

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Joined: Nov 2010

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Cat sizing for fx4

Hi guys/gals

Question for you all, does anyone know what size of cat convertor to buy in order to fit properly on on a 2007 FX4 (5.4)

I found some 2.5" magnaflow for a good price.

Lee

Jul 25, 2011 | 09:41 PM

avfrog

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Joined: Oct 2009

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From: Missouri

Are you wanting louder high flow cats?

Jul 25, 2011 | 10:00 PM

DarrenWS6

Technical Article Contributor

Joined: Mar 2008

Posts: 16,436

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From: Mansfield, P.A.

'97 - '08 V8s are all 100% 2.5" from the manifolds to tailpipe.

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