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Will L99 or LS3 Exhaust Manifolds fit an LS1

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Old 09-28-2012, 03:17 PM
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Staging Lane
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Default Will L99 or LS3 Exhaust Manifolds fit an LS1

ok, theres a guy in our club with a 2010 SS that just put long tubes on his car. he still has his stock manifolds.

would these manifolds bolt up to a LS1, if so, would there be any gains to be had? maybe a little more low end?

im NOT looking to buy long tubes, and i could pick these up pretty cheap.

car is mostly stock, SLP intake and SLP loudmouth exhaust.
Old 09-28-2012, 11:23 PM
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Nope,just save up for some real headers
Old 09-29-2012, 03:25 AM
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Exactly. No benefits at all.
Old 09-29-2012, 12:33 PM
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Dont waste your time taking everything apart until your ready to install a set of longtubes.
Old 02-03-2013, 06:39 PM
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Will they fit though? Whether or not there's gains, just want to know if they'll bolt straight on?
Old 02-18-2013, 06:24 PM
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Originally Posted by NaliLS1
Will they fit though? Whether or not there's gains, just want to know if they'll bolt straight on?
Yes.

Jack



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