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  1. 05-03-2009, 11:00 PM #1
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    SMosher
    SMosher is offline NorCalSRT-8

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    Dynatech Hi-Flo Cats

    Dynatech SuperMAXX hi-flo cats are crap. After only a mere 3000 miles they imploded on themselves. Now I’m off to see what can be done.
    What is in these piles of crap? PAPER?
    Last edited by SMosher; 05-03-2009 at 11:26 PM.
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  2. 05-03-2009, 11:02 PM #2
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    MadCharger
    MadCharger is offline fool in search of wisdom
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    Wow! Are those the Powercats?


    440 Stroker Short Block 4sale!! (tentatively sold)


    2010 MSHS Stroker N/A Champion!
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  3. 05-03-2009, 11:04 PM #3
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    higshemi-less
    higshemi-less is offline 0-60- 3.1, 13.5mpg city, 18.5mpg hwy
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    Just curious what tipped you off that they were "imploded"? Smell, Sound, Power decrease? Thanks
    Fred

    Stock catback, and stock drivetrain
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  4. 05-03-2009, 11:04 PM #4
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    SMosher
    SMosher is offline NorCalSRT-8

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    Quote Originally Posted by MadCharger View Post
    Wow! Are those the Powercats?
    SuperMAXX
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  5. 05-03-2009, 11:07 PM #5
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    Quote Originally Posted by Higshemi View Post
    Just curious what tipped you off that they were "imploded"? Smell, Sound, Power decrease? Thanks
    Fred
    The loss of power. We pointed at maybe a faulty grounds so we took it to Techco for them to diag Baby. Ater we went thru the car there was only one last place to look and that was the pipes. BAM!
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  6. 05-03-2009, 11:16 PM #6
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    eldiablosrt8
    eldiablosrt8 is offline el diablo srt-8
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    aye, atleast that is fixable with some ease.... good luck steve, at least it wasnt big.......

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  7. 05-04-2009, 01:41 AM #7
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    Centurion is offline Lima X-ray Three Zero Zero Charlie
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    Ouch... At least it wasn't anything *major*
    CenCalLX FTW. FRIed 5.7L w/ custom cam & S/S heads milled, MDS enabled, tuned by Bob @ SVS
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  8. 05-04-2009, 01:43 AM #8
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    CoolVanilla is offline The Dude Abides



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    Welcome to the illustrious club of blown Dynatechs
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  9. 05-04-2009, 01:46 AM #9
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    SMosher is offline NorCalSRT-8

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    After doing some reading it looks to be a common thing and forced induction dont seem to help. lol
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  10. 05-04-2009, 09:36 AM #10
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    NYC_SRT8 is offline Road Racer extraordinaire!!!
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    I went through 2 dynatect cats on my previous srt8. They are made of ceramic internals. I have pics on them stuck in my exhaust tip...piece of junk! I'll post them when I get home.
    Modern Mopar Track Day at NJMP Thunderbolt...spots are still available!!!!
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  11. 05-04-2009, 10:26 AM #11
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    MadCharger
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    I think their powercats are metallic - which may hold up better if you can replace with them.


    440 Stroker Short Block 4sale!! (tentatively sold)


    2010 MSHS Stroker N/A Champion!
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  12. 05-04-2009, 10:41 AM #12
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    Quote Originally Posted by MadCharger View Post
    I think their powercats are metallic - which may hold up better if you can replace with them.
    I had their powercats, that's what come with their longtube headers
    Modern Mopar Track Day at NJMP Thunderbolt...spots are still available!!!!
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  13. 05-04-2009, 12:50 PM #13
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    Great. I may need to punch them out and go with it.
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  14. 05-04-2009, 02:03 PM #14
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    Why not look at Magnaflow high flow cats or use SRT8 stock ones?
    " Where Southern California Car Culture Meets Modern Mopar Muscle"
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  15. 05-04-2009, 04:32 PM #15
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    Quote Originally Posted by JonW View Post
    Why not look at Magnaflow high flow cats or use SRT8 stock ones?

    We saw the magnaflow cats a couple weeks back on another car and they dont look to hold up either.
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