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Thread: Exhaust Mods

  1. #1
    Member
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    Nov 2000
    Location
    Los Gatos, California
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    71
    Corvette(s)
    1996 GrandSport #427 1963 Red Split Window
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    I am interested in eliminating the cats on my LT4. I have a B & B 3" cat-back. In California no one will touch
    1. Does anyone know where an replacement piece can be purchased, that would allow R & R on the cat.
    2. If anyone has made this mod are were there any problems ?
    brooks walls
    GS #427
    Red Split-Window

  2. #2
    USA ZR1
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    I've seen cat replacement tubes for off-road use in various catalogs but surely you ought to be able to find a muffler shop that can fabricate some for you.
    Clint Hooper
    LT5 Registry
    http://www.lt5registry.com/

  3. #3
    Member
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    Los Gatos, California
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    Corvette(s)
    1996 GrandSport #427 1963 Red Split Window
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    which magazines ?? In California the fines for altering smog equipment can be in the thousands.
    brooks walls
    GS #427
    Red Split-Window

  4. #4
    USA ZR1
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    It might have been Ecklers or Mid-America. California isn't the only state that can fine you. All states can because it is a federal law against tampering with emission controls.
    Clint

  5. #5
    ZROne
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    I have full length headers with random tech cats (bullet version) and a catback on the '90. It cost about 1600$ in fabrication - mainly because they'll have to shorten both the exhaust and the header, and make flanges for both - which was a bit of labor. Next time I'll go with Jeal's shorties.

    BTW, there are some "extraneous" emissions equipment after this install. It all looks like it's hooked up though, and it passed the sniffer test better than the new cars I've had did.


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