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Discussion Starter · #1 ·
I have an LT1 and would like to run headers and a cat on my daily driver, however around the interent it seems that headers (specificly long tube) and a cat can cause problems like early cat fouling.

Does anybody here run long tube headers and a cat? Which motor do you have? The LT1 in my truck does not have the AIR system so the cat would be a one in one out.

Any other thoughts about this would be appriceated.
 

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Discussion Starter · #4 ·
fordnut: Ok thats a relief.

CRUISINFJ60: People are saying because of the long tubes and thin walls, the exhaust cools by a decent amount and casues accumulation on the cat and o2 sensor, eventually ruining them. I have never run headers and a cat so just curious if anybody has any experince with that.
 

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Short trips and not driving long enough for not only engine to not fully warm but also the cat are the big deals. I think as long as you get it hot you are good, perhaps some are making shorter trips and blaming it on headers vs age and trip distances.

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