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

Hooker headers question

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Old Jan 24, 2011 | 10:09 AM
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Default Hooker headers question

I found a good used set for practically nothing but without a y-pipe. They have the 3-bolt flange after the collectors

if I cut the flanges off, is there an off-the-shelf y-pipe that will fit these?

I dont know the part# but they're the off-road version and have the #1 primary that comes off

TIA
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Old Jan 24, 2011 | 10:57 AM
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http://www.flp-motorsports.com/produ...r-headers.aspx
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Old Jan 25, 2011 | 07:22 PM
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It really shouldn't be that big of an issue. You could put the headers on and get an off the shelf y-pipe to an exhaust shop and either have them weld on some flanges to the y-pipe and bolt it together, or you could have them cut off the flanges and use a y-pipe like the one linked. If the y-pipe doesn't match perfectly after cutting off the flanges, it should be little work to an experience exhaust welder to get it to work.
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Old Jan 25, 2011 | 07:39 PM
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i went to a local shop and had one made it was only like $80.00 installed
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Old Jan 25, 2011 | 09:08 PM
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Mufflex Y-pipe will fit right up to supercomps and is huge.
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Old Jan 25, 2011 | 11:35 PM
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or why not just buy a hooker y?
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Old Jan 26, 2011 | 08:20 AM
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bleh, he sold 'em before I even had a chance to ask for pics


I've just heard the flange ends up scraping and not holding a good seal so I was wondering what y-pipe would slip on if I just cut the flanges off
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Old Jan 26, 2011 | 11:08 AM
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I never had a problem with flanges dragging, perhaps if you've lower the car a bit. I threw a set on my beater car for cheap, just bought a Summit X-pipe kit and me and a buddy welded her up. I think I have $350 in my exhaust from head to exit.

-Dustin-
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Old Jan 26, 2011 | 03:15 PM
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Originally Posted by hitmanws6
or why not just buy a hooker y?
Oh I dunno, maybe because its much larger than the hooker y-pipe...
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Old May 3, 2013 | 01:29 PM
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Originally Posted by VinR1
I found a good used set for practically nothing but without a y-pipe. They have the 3-bolt flange after the collectors

if I cut the flanges off, is there an off-the-shelf y-pipe that will fit these?

I dont know the part# but they're the off-road version and have the #1 primary that comes off

TIA
I know this is an old thread but I just bought these same headers, used, with no y pipe. So I have the same question about cutting the flanges off and using another y pipe like pacsetter, etc. any help would be great!
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Old May 3, 2013 | 02:35 PM
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like the other guy said mufflex y pipe bolts on no problems
I have the 3" collector Y pipe to 4" single
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Old May 3, 2013 | 05:03 PM
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Originally Posted by onephatZ28
i went to a local shop and had one made it was only like $80.00 installed
Mandrel bent?
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