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 cats? 
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Post cats?
Do the stock cats on a 2000 LS1 F-body have AIR? I cant remember and am in no condision to climb under the car to see right now. :oops:


Mon Aug 29, 2011 11:34 pm
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looking at the ones you gave me I don't think so but there are 3 bungs assuming they are all for o2 sensors

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Tue Aug 30, 2011 7:45 am
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No downstream air on any 93-02

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Tue Aug 30, 2011 7:58 am
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thanx guys

the hollywood cats that came with the Y-pipe for the headers seem to be only 2-way cats as the NOx went to the moon, and the only diference from the last e-test is the headers.

So we need to get some 3-way cats on there and didnt know what ones we needed.

for those with handhelds, the cpu picked it up even before the etest and gave us a code for both cats being insuficient, but we thought to try the test 1st anyways and see how close they were.


Tue Aug 30, 2011 11:15 am
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I put some fullsize hi flow magnaflows on mine and passed no problem even on a startup tune. Cheap and can usually find them on kijiji new for less than a store.

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Wed Aug 31, 2011 8:53 am
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Vetty wrote:
I put some fullsize hi flow magnaflows on mine and passed no problem even on a startup tune. Cheap and can usually find them on kijiji new for less than a store.


have fun getting warranty from buying them on kijiji if you have a problem with them

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Thu Sep 01, 2011 5:35 pm
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Post Re: cats?
We picked up a pair from R&R in Fergus, just incase u didnt have the right size in stock :)

See ya Friday night


Thu Sep 01, 2011 6:51 pm
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