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Catalytic Converter Recommendation?

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Old Jul 15, 2002 | 11:29 AM
  #1  
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Default Catalytic Converter Recommendation?

Hi, I'm going to need to get a couple high-flow cats to throw on my exhaust real soon now and I'd like to order some today to take advantage of the Summit deal. Anyone have any recommendations? I have dual 2.5" exhaust and would like to go dual-cats (not EXACTLY legal, but close enough).
thanks!
-terry
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Old Jul 15, 2002 | 11:33 AM
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Default Re: Catalytic Converter Recommendation? (terryrudy)

Suggestion - move to Ontario, Canada...no emissions testing for anything older than 1981. :D
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Old Jul 15, 2002 | 11:46 AM
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Default Re: Catalytic Converter Recommendation? (terryrudy)

The Cartech Brand is reported to flow with or out flow the expensive random Technologies Cat and cost a bit less,$59.95

CALL MUFFLER TECH TOLL FREE 1-877-722-3784.


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Old Jul 15, 2002 | 11:49 AM
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Default Re: Catalytic Converter Recommendation? (mountainmotor)

What about the CatCo Converters on summit?
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Old Jul 15, 2002 | 11:53 AM
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Default Re: Catalytic Converter Recommendation? (terryrudy)

Now if I where you I would buy the converters put them on for testing and then take them off when I did some off roading with it. You have to decide what you def of 'off road' is. ;)
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Old Jul 15, 2002 | 12:04 PM
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Default Re: Catalytic Converter Recommendation? (78RedShark)


Suggestion - move to Ontario, Canada...no emissions testing for anything older than 1981.
Yeah, but then you have to put up with all those Canadians. Pretty soon he'll start talking like Terrance and Philip. :D :lol:
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Old Jul 15, 2002 | 01:12 PM
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Default Re: Catalytic Converter Recommendation? (terryrudy)

Car Sound
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Old Jul 15, 2002 | 03:17 PM
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Default Re: Catalytic Converter Recommendation? (Larry82)

I use a high flow CatCo converter for emissions testing only. After the test I install a test pipe that I purchased off Ebay. Makes me wonder if Chevy had this in mind when they went with flanged joints at the catalytic.
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Old Jul 15, 2002 | 04:00 PM
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Default Re: Catalytic Converter Recommendation? (Biker)

I think in the interest of saving time/money/possible exhaust leaks I'm going to leave the high flow cats in there. I think with the dual 2.5s, I got enough flow for my relatively mild motor. So hopefully dual cats won't rob me of too much. Thanks for the suggestions guys.
-terry
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Old Jul 15, 2002 | 05:16 PM
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Default Re: Catalytic Converter Recommendation? (mountainmotor)

The Cartech Brand is reported to flow with or out flow the expensive random Technologies Cat and cost a bit less,$59.95
CALL MUFFLER TECH TOLL FREE 1-877-722-3784.
Just bought a set of these. They are less than half the size of stock, and when held up to sunlight... I can see right through em. All stainless body, with aluminum heat shield. Good Stuff!!!! :yesnod: :yesnod: :yesnod:
Eddie
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Old Jul 15, 2002 | 06:21 PM
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Default Re: Catalytic Converter Recommendation? (Silvr77)

Eddie, sounds good!
Do you have a part # or any other specific info so I can just call and get the right ones?
thanks!
-terry
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Old Jul 16, 2002 | 03:56 AM
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Default Re: Catalytic Converter Recommendation? (78RedShark)

Suggestion - move to Ontario, Canada...no emissions testing for anything older than 1981. :D
Move to Wisconsin, most counties have no emmissions testing. Period.
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Old Jul 16, 2002 | 09:10 AM
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Default Re: Catalytic Converter Recommendation? (terryrudy)


[Quote]The Cartech Brand is reported to flow with or out flow the expensive random Technologies Cat and cost a bit less,$59.95
CALL MUFFLER TECH TOLL FREE 1-877-722-3784.[Quote]

Mountainmotor said it all. Just call them toll free, explain what you have, and the guy will fix you up. I got mine in 5 working days, cause they are located in California and I'm in Illinois. Good Luck....
Eddie

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Old Jul 16, 2002 | 12:18 PM
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Default Re: Catalytic Converter Recommendation? (Silvr77)

OK, this will help get more exhaust out, but what are you doing to get more air in? I have a very stock 77 with the air pick up over the radiator. Are you just adding a K & W round filter to repalce the stock paper one or is anyone doing anything else? Am I better off removing the plastic pick up and just mounting an open filter on top of the carb?
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Old Jul 16, 2002 | 03:23 PM
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Default Re: Catalytic Converter Recommendation? (gmcclurg)


Dynomax makes a dual in, dual out (2.5") I believe, maybe 3" too.
Would satisfy the requirement of 1 cat...

As good as true duals? Don't know.
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Old Jul 16, 2002 | 03:50 PM
  #16  
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Default Re: Catalytic Converter Recommendation? (adam)

I saw a test once of the Random cats.They were stuck right on the end of the collectors of a 600 HP Shotgun motor,,cost it 12 hp.Not really that much in my opinion especially with a 250-300 hp motor.Still need very good flowing mufflers though
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Old Jul 16, 2002 | 05:51 PM
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Default Re: Catalytic Converter Recommendation? (mountainmotor)

To get more air in I used the K&N 14"x3" filter, Holley carb, and Edelbrock intake.= :D
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