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Hi Flow Cats Question

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Old Dec 3, 2005 | 02:47 PM
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From: Greer SC
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Default Hi Flow Cats Question

Quite frequently I see suggestions for Hi Flow Cats. When I had ours installed, there wasn't any change on the dyno. Considering I am running a C5R-427 with a FAST 90 intake & a matched throttle body, I should be getting good air flow on the intake side. Since replacing the cats (pre-cats went away with the LT install) on my engine, which has better than stock air flow, didn't amount to anything, how come people feel it helps on basically stock LS1's? What am I missing?
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Old Dec 3, 2005 | 02:52 PM
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You are not missing anything my friend. The mind of a Corvette owner is that if they spend any amount of money for a mod no matter what it is adds at least 25hp.
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Old Dec 3, 2005 | 03:29 PM
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From: Greer SC
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Originally Posted by MilYellow02
You are not missing anything my friend. The mind of a Corvette owner is that if they spend any amount of money for a mod no matter what it is adds at least 25hp.
Sometimes it seems that way. I always love the HP claims from cat-back exhausts.
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