2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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old pre cats

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Old 03-10-04, 11:13 PM
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wet drifting dream

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old pre cats

I have full spare exhaust I want to gut the pre cats on my spare set.My question is will the car run with the precats gutted or will the pre cats just burn through.
Old 03-10-04, 11:26 PM
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Eat Rice Don't Drive it.

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guttet cats will hold up.
Old 03-10-04, 11:27 PM
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He's right, They'll be fine. If anything, the less cat you have, the less total heat you'll have inside that section of exhaust.
Old 03-11-04, 09:06 AM
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wet drifting dream

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nice! but with just the main cat will I still pass emissions?
Old 03-11-04, 10:04 AM
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You should be able to, if you're tuned right.

( I know I did )
Old 03-11-04, 12:24 PM
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truespin, not tirespin

 
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Red, I know this sounds totally stupid
but.

I want you to measure your precats for me while you're gutting them. I am making a precat replacement pipe that allows usage of the stock main cat, and I want as much information as I can get without removing mine. Seeing as you have a set that are already out, perhaps you could assist me?
Thanks!
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