Cat gives Better flow???????
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Senior User
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From: Millersville USA
Cat gives Better flow???????
I am having a new Cat installed Friday, it is an OEM Cat, will it give my flowmasters better sound due to better flow, or will it muffle them even more due to it being new?
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Joined: Jan 2002
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From: Gloucester USA
Cat gives Better flow???????
old cats flow better than new cats, because they are basically empty. no cats flow well, they all muffle. I was suprised to even see a topic with "cats" and "flow" without "restrict", "inhibit" or "kill" in between them
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Senior User
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From: Millersville USA
Cat gives Better flow???????
I give up, I guess it was never meant to be. I have a 460, with flowmasters, and you'd never know it. I want to keep it legal, so I am putting in the new OEM cat. Can't afford the high flow ones right now. So I'll just have to suffer.
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From: vernon usa
Cat gives Better flow???????
just take your old one and knock the crap out of the insides and either split the caseing and put a piece of pipe inside so the caseing covers it or just leave it hollow and put it back under the truck, as long as its looks like its there who's going to say any thing. just a suggestion, cheap to. outladady
97 crewcab 460 auto
97 crewcab 460 auto
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From: Fort Smith
Cat gives Better flow???????
Well, if you want to stay 'legal', I would not go back with an OEM cat. I would go to a muffler shop and get a Hi-Flow cat. Will work well with that 460 and flowmasters.
I just had my 78 F150 with a carb 460 inspected at the emission place. It has true duals with a flowmaster on each side - no cats. Actually passed with flying colors. Here in GA, they keep changing the emission laws, so I was worried it wouldn't make it depending on how high they raised the limits.
Just my opinion...
I just had my 78 F150 with a carb 460 inspected at the emission place. It has true duals with a flowmaster on each side - no cats. Actually passed with flying colors. Here in GA, they keep changing the emission laws, so I was worried it wouldn't make it depending on how high they raised the limits.
Just my opinion...
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Senior User
Joined: Oct 2001
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From: Millersville USA
Cat gives Better flow???????
Just to let you know, Ford's new cat's for the 460 have changed considerably. My truck now sounds like it has flowmasters on it. Much deeper, and a little more agressive sounding, a nice deep tone. I am very happy with it. Thanks for all the input folks, I greatly appreciate it.
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From: Corydon US of A
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