Want to get a high flow cat - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-15-2007, 09:46 AM   #11
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I am just saying I got the car that way....I cant see how stock cats keep you power though....
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Old 04-17-2007, 03:03 PM   #12
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about the illegality, the cat quiets it down, and a cop may notice that the car is louder and pull you over, THEN notice that there'* no cat.

it is your car, and you can do what you want, but i recommend, as well as most others on this forum, that you install a high flow cat rather than a pipe
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Old 04-17-2007, 03:39 PM   #13
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we also dont usually recommend illegal practices here. legal is the way to go.

i would get a direct fit, they aren't usually that much as far as i know. I believe you can find the parts number on the magnaflow website.
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Old 04-17-2007, 04:25 PM   #14
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The cat does a lot for the emissions obviously, no one is above the law or normal decency to take a cat out just for a little more grunt on a daily driver IMO..
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Old 04-17-2007, 04:26 PM   #15
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yeah i found it. How much louder will it be with a m-flow high flow cat and how much power will i get off it?
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Old 04-17-2007, 06:42 PM   #16
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Maybe 5% louder, and possibly 5hp? More power if you've LOST power due to your old one clogging the grid, but that'* regaining power lost over time.
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