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Kooks w/cats or without?

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Old 08-10-2008, 05:26 PM
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Default Kooks w/cats or without?
Is there any power difference with Kooks 1 7/8 w/highflow cats vs without?

I heard there was no additional power..
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Old 08-10-2008, 08:31 PM
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You mean to tell me... nobody has done a comparison?

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Old 08-11-2008, 07:23 AM
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Removing the cats gains 2-3 rear wheel HP.
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Old 08-11-2008, 03:50 PM
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We did it on a friend's LS2 402 and saw 2rwhp difference. I would say nothing on a 346.
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would i need a standalone ecu for ITB's?




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