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Performance Design XS LS3 intake manifold

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Old Apr 12, 2023 | 10:54 PM
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Default Performance Design XS LS3 intake manifold

Anyone using the Performance Design XS LS3 intake manifold? Any “in use” info on these?
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Old Apr 13, 2023 | 07:38 AM
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Nothing yet, we had a thread on it awhile back with some good articles... not sure if any actual intakes have made it out to the public yet. Should be very interesting to see how it does though.

Here's the other thread: https://www.corvetteforum.com/forums...-thoughts.html
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Old Apr 15, 2023 | 06:37 PM
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A little late to the
Party aren't they?
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Old Apr 15, 2023 | 06:41 PM
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How do you figure? The LS3 is still the go to swap for tons of builds every year not to mention the cars it was native in are still sought after. I'd say their still pretty relevant.
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Old Apr 17, 2023 | 01:58 PM
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So you bought one?
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Old Apr 17, 2023 | 04:38 PM
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Not yet but its on the list
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Old Mar 21, 2024 | 06:23 PM
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Surprised more guys aren't running this intake.
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Old Mar 23, 2024 | 12:14 PM
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Found this on YouTube, it's a cammed LS7 with LS3 heads. :


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Being that the stock LS3 intake really flows well for the entire RPM range, the only thing that an after market intake would allow, is to adjust the port runner lengths, to gain power in one part of the RPM band, but loose it in other area instead.

Hence a lot of people are really concerned about red line HP on the vets, isntead of what the motor is making low and mid range horsepower, and which your going to use most for road course tracks instead.
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