LT1-LT4 Modifications 1993-97 Gen II Small Block V8

y pipe, cutout cat question

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Old 04-09-2012, 08:00 AM
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Default y pipe, cutout cat question

Can i fit two cutouts before cats into a pacesetter ory pipe? As in having both the cutouts and cats on the ory. Has anyone done it or have pictures? thanks
Old 04-09-2012, 03:44 PM
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no ****... must be difficult
Old 04-09-2012, 04:19 PM
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it's been done. Should be pretty easy. You have long tubes i assume?
Old 04-09-2012, 04:45 PM
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ya haven't installed them yet. Pacesetter LTs, ORY, thunderbolt high flow cats, and cutout. I want to to two cutouts in the ory and put the cat in the I pipe but im worried it might be to far away from headers to pass emmisions. So id like to squeeze the cutouts before the cats on the ory. Looking for pics though having trouble finding some
Old 04-09-2012, 06:41 PM
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mine are kooks non catted but heres mine



Old 04-10-2012, 08:25 AM
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thanks that helps. Do you think if you wanted to you could fit cats after the cutouts on there?
Old 04-10-2012, 01:02 PM
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Originally Posted by 9D4Z28
thanks that helps. Do you think if you wanted to you could fit cats after the cutouts on there?
im sure you could fit some high flow cats under there but i wont never know haha
Old 04-10-2012, 07:05 PM
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haha ohh great. im trying to put cutouts before cats. seems pointless to put them after
Old 04-10-2012, 07:34 PM
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u could always put one high flow cat once the ypipe turns into the exhaust and just have ur cutouts on the ypipe
Old 04-10-2012, 09:00 PM
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i was thinking that, cutouts in Y pipe and cat in the I pipe right after the Y, but i was worried about the cat being to far form the headers to get hot enough to pass the sniffer? also how will the cat being in the I pipe affect my GmmG sound and air flow? if i can id rather not hack up the $900 exhaust :/ lol
Old 04-10-2012, 09:05 PM
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Originally Posted by 9D4Z28
i was thinking that, cutouts in Y pipe and cat in the I pipe right after the Y, but i was worried about the cat being to far form the headers to get hot enough to pass the sniffer? also how will the cat being in the I pipe affect my GmmG sound and air flow? if i can id rather not hack up the $900 exhaust :/ lol
yea im not sure really, im not hacking up my exhaust either to put cats in them haha, find a mechanic buddy to pass it
Old 04-10-2012, 09:10 PM
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ill probably have a muffler shop fab the cutouts in for me. wish people had pic to show though :/
Old 04-10-2012, 09:19 PM
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im pretty sure u can put them on ur ypie.. cause if ya look there is room under there still
Old 04-10-2012, 10:33 PM
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Have you ever heard of a damn tape measure?
Old 04-10-2012, 10:48 PM
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Nope, whats a tape measure?

You seem to be so knowledgeable answer this, how will moving the cat down to the I pipe affect emissions and cat-back tone?

I know a place you can shove that tape measure ******...but i don't want to have a sarcasm battle, nor any problems with LS1TECH... Thank for your positive input very helpful
Old 04-10-2012, 11:16 PM
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One good high flow should be enough on a stock car with a proper tune. I can't speak to the tone change.

Just measure and see if you have room man. Its not that hard.
Old 04-13-2012, 07:18 AM
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My first 95z had stock manifolds and y but i had a universal cat in the I pipe with a cat back...it sounded great and passed emmisions all day long. Go for it! Worst case senario its metal cut it and weld it again but im sure everything will be a-okay.



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