high flow cats-
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From: Bergen County, NJ
Car: 91 Firebird GTA
high flow cats-
i've been hearing a lot about high flow cats-how much better are they horsepowerwise then stock??? i have a brand new pipe from the cat back including the flowmaster 80 series-(stock size pipe 2.5 i think) how much more power could i gain with that setup.
thanks for any info-
thanks for any info-
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Joined: Jan 2001
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From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
A hi-flo cat will free up a couple HP over the stock one. Hi-flo ones aren't that far from straight pipe flow wise.
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UltRoadWarrior9
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Apr 28, 2020 10:39 PM