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

Which Y pipe

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Old Dec 13, 2017 | 10:21 AM
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Default Which Y pipe

Got my gen1 swap done in my 95z and have a set of hooker lt's in it. Looking to see what y pipe any of ya'll have used. Obviously the hooker should hook up, but's it's $100 more than some of the other options. Any suggestions on a y and exhaust set up would be appreciated. Thanks.
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Old Dec 13, 2017 | 12:44 PM
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Make your own with a Flowmaster merge. A lot of options out there are junk design.
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Old Dec 13, 2017 | 01:32 PM
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Alright, after I posted this up I did some more digging and had remembered reading about the flowmaster merge. Just get a couple different bends and go from there? What about the rest of the exhaust, just do the same?
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Old Dec 13, 2017 | 02:03 PM
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Buy any catback you want, build a y pipe from headers to the catback. That way if you want to change the catback, you can and the y pipe will still work.
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Old Dec 14, 2017 | 06:49 AM
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Wordage, thanks. I'll do that!
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Old Dec 14, 2017 | 10:48 AM
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Originally Posted by smitty2919
Make your own with a Flowmaster merge. A lot of options out there are junk design.
From what I understand is this merge also eliminates the rasp we all suffer from with the traditional merge.
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Old Dec 14, 2017 | 12:08 PM
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It does. My PS Y pipe was horrendous. All the aftermarket merge pipes are made pretty similar.

I made my own setup and is very smooth.
https://ls1tech.com/forums/generatio...ust-build.html
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Old Dec 14, 2017 | 02:37 PM
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The merge on Kooks y-pipes is much nicer than it used to be.
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Old Dec 14, 2017 | 04:03 PM
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The kooks is quite pricey, and if the flowmaster takes care of the raspy I'll get some pipe or canabilze a kit from somewhere and make my own one weekend.
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Old Dec 14, 2017 | 04:21 PM
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Originally Posted by biketopia
The kooks is quite pricey, and if the flowmaster takes care of the raspy I'll get some pipe or canabilze a kit from somewhere and make my own one weekend.
Yeah, I was just making a general statement as their new merge is now similar to the Flowmaster merge.

The Kooks y-pipe probably wouldn't work anyway, at least not without some modification, because I think Hooker headers use a ball & socket type flange on the collector. I could be mistaken.
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Old Dec 14, 2017 | 06:44 PM
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The newer ones may, but mine are the typical 3 bolt flange ones.
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