cat delete - Ford Powerstroke Diesel Forum

 
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post #1 of 5 Old 10-05-2009, 07:46 AM Thread Starter
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cat delete

Hey guys what size pipe do I need to replace my cat on a 1997 7.3 ? Is it a 3 1/2" diameter and what is the length?

1997 F-350 CC Dually Power Hungry performance chip. DIY air intake ,4" Diamond Eye exhaust, Trans temp gauge,Pyrometer gauge 10,000 Lb. Warn Winch, 1 million candle power auxilary lights,black heavy diamond plate bumper/brushguard
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post #2 of 5 Old 10-05-2009, 11:49 AM
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If all you want to do is chop out the cat, I believe it would be a 3 1/2" pipe.

mike

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post #3 of 5 Old 10-05-2009, 12:40 PM
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yes its 3 1/2 " pipe but if you gutting that id gut the muffler too

1997 7.3 stroker

" If it ain't strokin' it ain't smokin' "

Ts performance 6 bank
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post #4 of 5 Old 10-05-2009, 12:45 PM Thread Starter
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Thanks so much for responding fellas,Seems that the length of pipe I need was 31" is that correct?

1997 F-350 CC Dually Power Hungry performance chip. DIY air intake ,4" Diamond Eye exhaust, Trans temp gauge,Pyrometer gauge 10,000 Lb. Warn Winch, 1 million candle power auxilary lights,black heavy diamond plate bumper/brushguard
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post #5 of 5 Old 10-05-2009, 12:48 PM
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um that sounds about right but id take a little more than that and if you do need to cut it down you can but its better to have to much rather than not enough...

1997 7.3 stroker

" If it ain't strokin' it ain't smokin' "

Ts performance 6 bank
Cold air intake
5 inch stainless silver line stacks
Pilar gauges
Touch screen flip screen dvd player
6 inch skyjacker lift
pro comp xtreme at 37x13.50r20 tires
20 inch moto metel wheels
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