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magnaflow y pipe question

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Old Jul 28, 2008 | 09:07 PM
  #1  
glock's Avatar
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From: algonquin il
Car: 1989 gta
Engine: L98 D1SC procharger twin IC
Transmission: 700r4
Axle/Gears: 3.27
magnaflow y pipe question

i have the magnaflow direct fit y pipe with dual converters part number 23479 ...and right now its hook up to my stock manifold ...if i get a set of dyno dons or any other after market headers would i have to change that y pipe ..i am hoping not since its nice stainless steel and mandrel brent .....
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Old Jul 28, 2008 | 09:31 PM
  #2  
85camarojunkie's Avatar
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From: Highland Heights, KY
Car: Camaro coupe
Engine: 350
Transmission: 700R4
Axle/Gears: 3.23
Re: magnaflow y pipe question

I checked out your kit.
1. did you throw the convertors away if not scrap them they are $100 each easily, buy a set of headers with that cash. lol
2. did you have the pipes welded or clamped.
If you clamped them then un-clamp them and change the collector flanges- you have a 2 bolt flange on the them now, change to a 3 bolt. This will give you a bigger selection on headers.
If you welded, no biggie. Just look for the matching headers or any header with a 2 bolt design.

Its not confusing, but i would recomment getting a 3 bolt from autozone, it comes with gaskets also.
By the way nice set-up, thats a very sharp kit for the money.

http://www.jegs.com/i/Patriot%20Exha...H7260/10002/-1
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Old Jul 29, 2008 | 07:06 PM
  #3  
glock's Avatar
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From: algonquin il
Car: 1989 gta
Engine: L98 D1SC procharger twin IC
Transmission: 700r4
Axle/Gears: 3.27
Re: magnaflow y pipe question

anyone?
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Old Jul 29, 2008 | 08:01 PM
  #4  
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From: Southern Wisconsin
Car: 1988 Camaro
Engine: 383 Stroker
Transmission: Probuilt 700 R4
Axle/Gears: 3.73
Re: magnaflow y pipe question

When I put mine in they were very close to fitting my edelbrock y pipe, but not close enough. I don't think it will work. PM dyno don and ask him
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Old Jul 29, 2008 | 08:15 PM
  #5  
glock's Avatar
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From: algonquin il
Car: 1989 gta
Engine: L98 D1SC procharger twin IC
Transmission: 700r4
Axle/Gears: 3.27
Re: magnaflow y pipe question

yeah i get ahold of don and ask him thanks
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Old Jul 31, 2008 | 12:52 AM
  #6  
Kevin91Z's Avatar
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: magnaflow y pipe question

Sorry man, the stock y-pipe is set up to connect to stock manifolds. I doubt it will connect to any headers out there, not even Don's.
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Old Jul 31, 2008 | 07:30 AM
  #7  
85camarojunkie's Avatar
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From: Highland Heights, KY
Car: Camaro coupe
Engine: 350
Transmission: 700R4
Axle/Gears: 3.23
Re: magnaflow y pipe question

I guess no one understood my message. hmmm.
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Old Jul 31, 2008 | 06:29 PM
  #8  
glock's Avatar
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From: algonquin il
Car: 1989 gta
Engine: L98 D1SC procharger twin IC
Transmission: 700r4
Axle/Gears: 3.27
Re: magnaflow y pipe question

it has the same stock bends but the magnaflow pipe is much larger in dia ...i just didnt know with after market headers like dyno dons would they mate up in the same location?
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Old Aug 5, 2008 | 11:26 AM
  #9  
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: magnaflow y pipe question

I think I understood your question. You want to buy headers that will match up to your Magnaflow y-pipe. And I said, no aftermarket headers will bolt up to any stock-style y-pipe. Headers and y-pipes are designed to go together, and you cannot mix and match them.
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Old Aug 6, 2008 | 01:06 AM
  #10  
glock's Avatar
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From: algonquin il
Car: 1989 gta
Engine: L98 D1SC procharger twin IC
Transmission: 700r4
Axle/Gears: 3.27
Re: magnaflow y pipe question

well looks like ill be selling a real nice Y pipe soon lol
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Old Aug 6, 2008 | 12:00 PM
  #11  
RAD5's Avatar
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From: Orlando, FL USA
Car: 89 Formula 350
Engine: 5.7 TPI
Transmission: 700R4
Re: magnaflow y pipe question

I agree, that's why most headers come with their own y-pipe, or pipes to match up to the y-pipe. It sounds like a good idea- header manifolds that bolt up to the y- pipe. Glock, if you get a set of Edelbrock headers (or something similar) for a dual cat car, you don't have to cut that much off the y-pipe to mate them up so you could still use it. Go to Summit's web site and look up a set of Edelbrock headers for a dual cat car and download the install instructions and you will see what modifications you will need to do to the y-pipe. Like I said you don't have to cut that much off.
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