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Exhaust (cat)

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Old 12-31-1969, 07:00 PM
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Exhaust (cat)

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Old 07-16-2001, 04:42 PM
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Exhaust (cat)

I have one question......if i take off my cat from my truck will it cause any problems or should i take it off and "ream" it out

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Old 07-16-2001, 04:48 PM
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Exhaust (cat)

If you think you can pass emmisions inspection without the
cat(s) ream em out!!!

-Chris

Big Red Ticking 92 F150

Tick,Tick,Tick,Tick,Tick,Tick,Tick,Tick
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Old 07-16-2001, 05:18 PM
RGAZ RGAZ is offline
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Exhaust (cat)

What year is your truck?

The year will determine the OBD system it uses and will tell you if the cats operation is monitored or not.

Randy
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Old 07-16-2001, 07:26 PM
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Exhaust (cat)

my truck is an 1988 ford f-150.....it has a 302 that is bored and stroked to a 357......i have flowmaster exhaust on it and one "cat".....hopefully that is what you need....thank you for the information
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Old 07-16-2001, 09:21 PM
Pastmaster Pastmaster is offline
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Exhaust (cat)

My 89 has complete dual exhuast, and the convertor and preheater were removed. I haven't seen any problems except for during WOT the check engine light comes on intermitently.
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Old 07-17-2001, 04:07 PM
RGAZ RGAZ is offline
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Exhaust (cat)

88 doesn't monitor the cat. It can be removed.

There is a little to worry about dealing with no backpressure and exhaust reversion, but it sounds like you aren't too worried about that.

The truck should run fine with no cat. Just plug the air pump tube that is between the cats if you remove them completely.

Heck you might as well remove the whole air pump system to the heads and exhaust.

Randy
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Old 08-23-2012, 12:39 AM
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i have a 94 f150 5.0 4x2 302ci, need a new cat and exhaust any good brands on cats and whats a good size exhaust pipe?
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