flowmaster 70

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Mar 7, 2004 | 03:35 PM

timbo41

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Joined: Feb 2004

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From: baltimore,maryland

flowmaster 70

i have a f-250 2003 5.4 single cab will a fm 70 mount right up to stock pipes with no modifications......just swap out stock install new 70 fm????

Mar 7, 2004 | 07:07 PM

WhëëlMå1

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Joined: Oct 2002

Posts: 8,547

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From: MA

You will have to measure what the overall length of youre stock muffler is, and compare that to a flowmaster 70 series. I just checked the flowmaster site, and they say the Flowmaster 70 series "Big Block II" is 5" thick, 10" wide, 28" overall, and the muffler case itself is 22". You might need to alter, or run a new tail pipe.

http://www.flowmastermufflers.com/pdfs/70seriesB.pdf

Rich