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Why do my exhaust manifolds look like headers?

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Old Oct 9, 2002 | 10:11 AM
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6speedZ28's Avatar
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Why do my exhaust manifolds look like headers?

I mean my exhaust manifolds on my old Z looked like exhaust manifolds, but on this LS1 they look like headers. Is the design better or something on the LS1?
Old Oct 9, 2002 | 10:35 AM
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if you have the slp options on your ss you have high flow manifolds. the look like seperate pipes coming off the heads
Old Oct 9, 2002 | 11:09 AM
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Yep, thats what I got....would I gain much going to Hooker LT's?
Old Oct 9, 2002 | 01:19 PM
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Originally posted by CASPER97TA
if you have the slp options on your ss you have high flow manifolds. the look like seperate pipes coming off the heads
there is no option for a high flow manifold from SLP or anyone else.

thats just what they look like from 98-99
Old Oct 9, 2002 | 01:49 PM
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Well damn, which is it people?????
Old Oct 9, 2002 | 02:05 PM
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yup, another improvement GM made.
Old Oct 9, 2002 | 03:00 PM
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thanks phantom! i know the lt1 ss's had the upgraded manifold, correct?
Old Oct 9, 2002 | 05:40 PM
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They are an improved design but you will still gain lots of power with Hooker Longtubes. People see as much as 25 rwhp with tuning.
Old Oct 9, 2002 | 06:21 PM
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Originally posted by CASPER97TA
thanks phantom! i know the lt1 ss's had the upgraded manifold, correct?
No, it was never an option.
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