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Old Mar 22, 2004 | 10:19 PM
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From: brant lake
cat question

i have a 93' 150 4x4 with a flowmaster 40 single in, dual out muffler with it exiting in frot of the right tire at a 45 degree angle. it wounds nice but i want a deep tone at mid range and a little more hp. i was told a high flow cat would do the trick. would it pass emitions with one high flow cat? let me kno, steve
 
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Old Mar 23, 2004 | 01:04 AM
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As long as you're not in CA you can swap out both cats for a DI/SO cat that'll go where the first cat is. CATCO makes one that'll fit there. Should pass emissions just fine.
 
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Old Mar 23, 2004 | 10:17 AM
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Interesting idea. Also would keep me from feeling bad about killing both my cats in my truck. I'll have to look into this....O_O.

Hi-perf cats don't eat up much horsepower..they just kill sound.
 
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Old Mar 23, 2004 | 10:59 AM
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could i just have the pre-cat and still pass emitions?
 
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Old Mar 23, 2004 | 11:35 AM
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No you won't pass with just the precat.
 
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Old Mar 23, 2004 | 02:40 PM
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thanks for the advice fellas'
 
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Old Mar 23, 2004 | 04:15 PM
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What are you going to do?
 
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Old Mar 23, 2004 | 06:17 PM
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From: brant lake
im gunna go with a high flow cat from catco. cheap plus everyone tells me they work good.
 
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