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Installing Hooker Catback and have a snag....

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Old Dec 25, 2002 | 10:14 PM
  #1  
Confuzed1's Avatar
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From: GO PACK GO
Car: 83Z28 HO
Engine: Magnacharged Dart Little M 408
Transmission: G Force 5 speed
Axle/Gears: Moser 9" w/Detroit Trutrac
Installing Hooker Catback and have a snag....

I plan to write to Hooker if none of you know what I need for this. Apparently, the exhaust has already been changed once before, because the only thing I have supporting my rear tailpipes is the "universal" type strap hangers. Also the hanger that was on the rear of the stock intermediate pipe does not look like the same one on the Hooker pipe. It's got a flat piece with 2 holes welded onto the side of the pipe that bolts onto the muffler with the 3 bolt flange. In otherwords, what hangers should I have on my exhaust from where the Hooker system bolts on??

Anyone got a GM diagram?....PIC???

Thanx for any help.





Yes, I used the "search" button.
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Old Dec 25, 2002 | 11:10 PM
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Mark A Shields's Avatar
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
You will need a new hanger, I believe the shop used the factory one on the driver side, but the pass side wouldn't work or something.
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Old Dec 25, 2002 | 11:11 PM
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Mark A Shields's Avatar
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Car: 99 Formula
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Transmission: T56
Axle/Gears: 342
best pic i have...
Attached Thumbnails Installing Hooker Catback and have a snag....-hookercat-backhangerpass.jpg  
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Old Dec 25, 2002 | 11:50 PM
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Confuzed1's Avatar
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From: GO PACK GO
Car: 83Z28 HO
Engine: Magnacharged Dart Little M 408
Transmission: G Force 5 speed
Axle/Gears: Moser 9" w/Detroit Trutrac
I don't see anything supporting your tailpipe... I just have the universal hanger on mine like yours, but is yours bolted up??

I'm really wondering what type of hanger you have forward of that.... the one I have won't adapt to the Hooker exhaust I have. not even close.
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Old Dec 26, 2002 | 12:36 AM
  #5  
Mark A Shields's Avatar
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Well, the shop charged me for a hanger, but damned if I can find one on that side. The pipe isn't really loose though
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Old Dec 26, 2002 | 04:06 AM
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MdFormula350's Avatar
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the must of used those disapearing hangers! the ones where they charge you for it but never actually installed one and you leave thinking you got one
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Old Dec 26, 2002 | 11:24 AM
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From: GO PACK GO
Car: 83Z28 HO
Engine: Magnacharged Dart Little M 408
Transmission: G Force 5 speed
Axle/Gears: Moser 9" w/Detroit Trutrac
Well, this blows. I just bought a couple of cheap universal type hangers, and hope I can make something sturdy - yet rubber mounted. You'd think the aftermarket would get thier s**t together by now. I went to Autozone and looked in the book they had, and the only type hanger they had was the same one that won't match up with the Hooker...

The Hooker instructions even say "mounts in the stock location".

Guess they use that term loosley. The Aero chamber muffler must weigh 50 freakin pounds!!! This should be interesting....
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Old Dec 26, 2002 | 08:21 PM
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Car: 84 Z28 Convertible 2 Seater
Engine: Dart Little-M SBC 400
Transmission: Pro-built Automatics 700R4
Axle/Gears: Strange Engineering 3:73
Take a look at what I did when I install my Cat-back from Hooker..

https://www.thirdgen.org/techbb2/sho...hreadid=116401
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Old Dec 26, 2002 | 09:25 PM
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From: The State of Hockey
Car: 1987 Trans Am GTA
Engine: Miniram'd 383, 24X LS1 PCM
Transmission: TH700R4, 4200 stall
Axle/Gears: 9", 4.33:1
What's this?????? Mark's fabled Hooker Cat back isn't even a direct fit component??????? :sillylol:
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Old Dec 26, 2002 | 11:07 PM
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I didn't do a direct fit ether.
the hanger from the stock pipe was blowtorched off and then weilded to the hookers. getto as hell, but it worked, the pipe sits low but I have gone over speed bumps with no problem
biker
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Old Dec 27, 2002 | 12:27 AM
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Confuzed1's Avatar
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From: GO PACK GO
Car: 83Z28 HO
Engine: Magnacharged Dart Little M 408
Transmission: G Force 5 speed
Axle/Gears: Moser 9" w/Detroit Trutrac
Thanks alot DTL504 .....

That's just the info I was looking for. The close up you have on the third picture of the inlet pipe to the muffler- is yours rubber mounted??

I think I can bend up something close with the strip hanger I just got.

Sweet car BTW...

Was the "Autozone" hanger you were referring to go onto the inlet pipe to the muffler? The one with the tab with 2 holes?

I alreay have the universal type hangers from my old system to support the rear tailpipes, but the third one that supports the weight of the muffler needs to be pretty solid. If yours is solid mounted, does it vibrate or anything?

Other than this stupid hanger issue which should not occur if they did an ounce of homework, - They seem to be top notch quality, and they look every bit of 3" diameter.

Geez, I hope I can still hear my stereo - I'm far from my teenage years, Been there - with the headers and glasspacks - (who needs pipe???) LOL.

Thanks for any help with this one.
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Old Dec 27, 2002 | 12:32 AM
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Confuzed1's Avatar
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From: GO PACK GO
Car: 83Z28 HO
Engine: Magnacharged Dart Little M 408
Transmission: G Force 5 speed
Axle/Gears: Moser 9" w/Detroit Trutrac
Oh...and BikertrashDude....

If your stock wire type hanger is welded on properly, I would'nt consider that "Ghetto" at all. Hell that's the way the stock system was... If I could retain the rubber pad that bolts to the frame in that area - I'd rather go that route. Good info - Thx
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Old Dec 28, 2002 | 12:36 PM
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Confuzed1's Avatar
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From: GO PACK GO
Car: 83Z28 HO
Engine: Magnacharged Dart Little M 408
Transmission: G Force 5 speed
Axle/Gears: Moser 9" w/Detroit Trutrac
OK.....Update:

It's in!!

Have it tucked under the bottom, sits pretty level. Still have to put clamps on to support each tailpipe near where the tips are, but it's sturdy enough to drive now without them. Should have it out in a couple of days.

Still a little undecided about the tips....but they are shiny!!
Sounds awesome. SEEMS to be kinda quiet at idle, but when you open it up...big difference. Hope it's not too irritating on the highway, but I'll know soon enough. I will try and post some pics before I take it off the stands.

Plan to have them welded up along with the SFC's in a couple weeks.
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