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Old 01-23-2014, 11:26 AM   #1
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Headers

I was at the junk yard the other day and saw that the 98 mustang headers look a lot more tubular than the 99-04 headers. Are they any better and would they fit on our year mustang?
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Old 01-23-2014, 12:15 PM   #2
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If I'm not mistaken, in 98 the factory put shorty headers on them. For 99-04 they used regular ol' exhaust manifolds.

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Old 01-23-2014, 12:41 PM   #3
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Quote:
Originally Posted by Mike V. View Post
I was at the junk yard the other day and saw that the 98 mustang headers look a lot more tubular than the 99-04 headers. Are they any better and would they fit on our year mustang?
The 94-98 headers do flow a little better since they are shorty headers. They do fit on the new edges. A lot of people get those instead of buying aftermarket shorties
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Old 01-23-2014, 02:08 PM   #4
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Yep, came stock on the 94-98's.
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Old 01-23-2014, 02:10 PM   #5
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Some people call them turbo headers because they get a extra 1/4 " wider at the ends.
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new engine,1.7 rocker arms,Pipes exhaust, shorty cats , shorty headers,under drive and overdrive pulleys,4.2 upper plenum, throttle body spacer, cold air intake, stage one clutch, shorty shifter, and tune. 8.8 in storage
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Old 01-23-2014, 03:08 PM   #6
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How difficult would it be to swap them out? And is it even worth it
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Old 01-23-2014, 03:10 PM   #7
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Not too difficult. Should be a straight forward process. You won't see much of a performance gain if any.

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Old 01-23-2014, 05:04 PM   #8
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Most of us have changed to previous year headers, because the drip from the ac line cracked our headers.
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new engine,1.7 rocker arms,Pipes exhaust, shorty cats , shorty headers,under drive and overdrive pulleys,4.2 upper plenum, throttle body spacer, cold air intake, stage one clutch, shorty shifter, and tune. 8.8 in storage
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Old 01-24-2014, 03:22 PM   #9
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I'm afraid my car has the ac drip because of a ticking I always here. It use to happen only sometimes now it's all the time
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Old 01-24-2014, 03:28 PM   #10
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They are cheap at pull apart recycle centers (junk yards)
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new engine,1.7 rocker arms,Pipes exhaust, shorty cats , shorty headers,under drive and overdrive pulleys,4.2 upper plenum, throttle body spacer, cold air intake, stage one clutch, shorty shifter, and tune. 8.8 in storage
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Old 01-25-2014, 09:39 AM   #11
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Yea that's where I saw them. About how much?
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Old 01-27-2014, 04:29 PM   #12
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I was curious about this also... Is it an exact replacement... Like are the lengths of the headers the same? I shouldn't have any problems they should just bolt right in?

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Old 01-27-2014, 05:04 PM   #13
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If I remember correct, the 94-96 don't have O2 sensors in the headers. But they all fit. I personally have a set.
The bottom half of the 94-2000 engines are exactly the same
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new engine,1.7 rocker arms,Pipes exhaust, shorty cats , shorty headers,under drive and overdrive pulleys,4.2 upper plenum, throttle body spacer, cold air intake, stage one clutch, shorty shifter, and tune. 8.8 in storage
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Old 01-27-2014, 05:44 PM   #14
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samuelsmith knows his factory manifold fitments! Yes, you can use the 94-98 headers on your v6. It's a pretty easy swap and you should be able to get the old headers from the junk yard for next to nothing. They're more interested in the crap metal than anything.

That being said, if you're going to do the job- you may want to look into LT headers instead. As gains are more noticeable and the sound is definitely noticeable. That's just another option though.

Good luck with the install. Let me know if you have more questions!

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Old 01-27-2014, 05:51 PM   #15
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Lt headers wont pass emissions in most places though.
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Old 01-27-2014, 09:06 PM   #16
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I just put some on a few weeks ago. My manifolds measured 2.25" at the collector, stock 01 v6 was 2" at collector. Also, there are 4 bungs for 02's, 2 in each manifold. The only issue is the egr tube on the manifold was threaded differently. same h-pipe setup
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