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

Q's about longtubes and ORY

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Old 04-24-2008, 11:29 PM
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Default Q's about longtubes and ORY

if i put longtubes do i have to put an ORY in the car also? and after i install them will the catalytic converter move back or does anything else change?

thanks
Old 04-24-2008, 11:34 PM
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you can get a catted y pipe if you need to. with longtubes the cats do move back. you cant use a stock y pipe with longtubes though.
Old 04-24-2008, 11:36 PM
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Originally Posted by IronOutlaw
you can get a catted y pipe if you need to. with longtubes the cats do move back. you cant use a stock y pipe with longtubes though.
is there a way to put on lt's and a y pipe without moving the cat at all?
Old 04-24-2008, 11:37 PM
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Originally Posted by 93cz28
is there a way to put on lt's and a y pipe without moving the cat at all?
no, you have to move the cat or get rid of it.
Old 04-24-2008, 11:38 PM
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i dont think so. if you live somewhere that has strict emissions testing then i dont think you will pass a visual test if thats what you are going after. the cats will deffinitly move back and will not be in the stock location. i believe that the mac midtube headers retain the stock placement of the catalytic converter, and any shorty header will to.
Old 04-24-2008, 11:40 PM
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and can i just run lt's,and an ory connected straight to my exhaust without a cat? would that make things easier? i dont mind getting rid of the cat.just dont want my catback to move since i just installed it and its welded.only prob is longtubes+ory+slp loudmouth=deafness.

and i live in florida so the emissions dont matter.
Old 04-24-2008, 11:42 PM
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yeah, most people dont run cats on these cars. you will have to cut the catback off the stock y pipe for the aftermarket one to go into place. the catback itself wont have to move. and if the loudmouth get too loud for ya replace the resanator with a borla xr1 and it will sound badass.
Old 04-24-2008, 11:44 PM
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Just like Ironoutlaw said if you get Longtubes and ORY they should "technically" bolt right up to your current cat-back but that may or maynot happen.
Old 04-24-2008, 11:45 PM
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well mines is a 93 so it only has 1 cat.its headesr to the y pipe then catalytic, and then my catback bolted on to the catalytic.so if i remove the cat i can install longtubes with an ory, and the ory atatches directly to my catback without my catback moving right?
Old 04-24-2008, 11:56 PM
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it should technically. just like apollyn said it may or may not matchup. personally what i would do it have a (good) muffler shop weld up a custom y pipe to go into place so everything can be welded (thats what i did cause i cant weld). i know that people have had problems with the pacesetter y pipe fitting. i didnt think about the 93 having only 1 cat. so you should be able to keep it in the stock location if you need to.
Old 04-25-2008, 03:02 PM
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i dunno just me but i dont find a point of running cats if ur going to lt's... just stick with midlenghts..




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