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Thread: Headers & Cats installed

  1. #1
    deadringer's Avatar
    deadringer is offline Cadillac Owners Fanatic
    Automobile(s): Modified 06 XLR-V
    Join Date
    Jul 2004
    Houston, TX

    Headers & Cats installed

    After buying the D3 headers & cats last spring, I finally got them installed... Initially I thought I'd take them to a shop to get installed, but I decided to tackle them myself.

    It was a huge pain!

    I got one side in over a weekend, and it took a couple of trips to the store to get the right tools. But the other side went on in about 3 hours without a problem.

    I ended up doing it on a set of four jackstands and without having to lower the engine cradle. (the service manual states you can only do this by lowering the entire engine - which is why I thought I wanted to take it in to get done)

    The exhaust note has changed a bit, but not a huge amount... I have a rough tune that was done for my by Wait4me but it'll be going in to Hennessey for dyno-tune when I get a chance in the next few weeks. I'll post the final dyno numbers with all my mods then.

    Photos follow:

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  3. #2
    PSRmark's Avatar
    PSRmark is offline Cadillac Owners Fanatic
    Automobile(s): Cadillac
    Join Date
    Dec 2007

    Re: Headers & Cats installed

    Awesome job! I've always said the hardest part is getting the heat sheilds out. lol

    Congrats on the install, cant wait to hear what it puts down


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