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Thread: Huge Install Weekend

  1. #1
    greddy91's Avatar
    greddy91 is offline Cadillac Owners Fanatic
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    Huge Install Weekend

    So...

    I spent the weekend installing the following items:

    Katech Headers
    Generic Intake Tubing (the mod everyone else does)
    160 Stat
    TB Bypass
    New Plugs
    New Coolant

    and
    Updated the Diablo tune

    This is added to short throw, x-pipe, tune, and Lingenfelter style intake I had done previously...

    All I can say is "Wow... not everyday you see a sedan sliding sideways in 3rd gear."

    Can't wait for my next bonus... a cam is definitely on the menu.


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  3. #2
    Twitch's Avatar
    Twitch is offline Cadillac Owners Connoisseur
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    Re: Huge Install Weekend

    Katech headers,,,,,,must've been a big bonus

  4. #3
    deedubb's Avatar
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    Re: Huge Install Weekend

    I can't get a chirp in 3rd....only 2nd. Damn 5300 feet elevation!

  5. #4
    JD03Cobra's Avatar
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    Re: Huge Install Weekend

    I almost bought those Katech headers (no cats) a while ago...wish I did. Not sure if they make them anymore. What exhaust did you bolt the headers up to? Was any modifications necessary for it to fit properly??

    Hopefully you will post a video so we can hear this thing

  6. #5
    greddy91's Avatar
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    Re: Huge Install Weekend

    Quote Originally Posted by JD03Cobra View Post
    I almost bought those Katech headers (no cats) a while ago...wish I did. Not sure if they make them anymore. What exhaust did you bolt the headers up to? Was any modifications necessary for it to fit properly??

    Hopefully you will post a video so we can hear this thing
    I got these off of ebay for $459 shipped... which even if they SUCK compared to B&B I'm still the winner on.

    They bolted up to 100% factory piping except the weld in x-pipe I'd had sitting around for a few months.

    Currently the mufflers are the stock mufflers and as much as I love how quiet it is when I'm not pounding on her, it sounds like total crap coming down from the upper rpm range.

    The idle sounds amazing though through the x-pipe after removal of the cats and pumped through the 4 into 1 config.

    As far as the install was concerned the only difference between the install of the B&B and the Katech was clearance on the driver side. I had to release the steering linkage which was a bit of a pain. Other than that though... the FAQ helped me knock out the install of all the items in about 6 hours with hand tools alone. I took the advice of the FAQ on ARP header studs, and Percy gaskets as well.

    The headers came completely raw, so I had to hit up my local hardware store for a couple of pieces, and I used the gaskets from a big block Chevy exhaust at the coupler connection.

    Now... did they make a horsepower difference? I couldn't tell you, what I can say though is in order to trim out my fuel properly I had to add about 5 points to my injector slope with the Diablo.

    She was pretty quick before... a couple of weeks ago she held pretty well against a new M5... I'd like to get another opportunity at that machine again now though. She's a completely different animal.

  7. #6
    liqidvenom is offline Cadillac Owners Connoisseur
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    Re: Huge Install Weekend

    +1 on the vids, I didnt even know that they made headers for our car

  8. #7
    JD03Cobra's Avatar
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    Re: Huge Install Weekend

    Quote Originally Posted by liqidvenom View Post
    +1 on the vids, I didnt even know that they made headers for our car
    Yeah they only offered off road only...Long tubes were around $950 new. Katech was offering a 20% discount a while ago which is why I think they stopped making them. Not sure though. I just e-mailed them.

  9. #8
    ctsv154's Avatar
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    Re: Huge Install Weekend

    Katech has been making the V headers for a while. Or did. They used to be $1500 then they dropped the price to clear stock is what I think. They may still make them. Dont know.

  10. #9
    JD03Cobra's Avatar
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    Re: Huge Install Weekend

    I just confirmed...they are discontinued.

  11. #10
    c4ss's Avatar
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    Re: Huge Install Weekend

    Sounds like a great weekend


    Headers are my next mod as well. Looking forward to a few vids as well...

  12. #11
    maxspeed96ct is offline Cadillac Owners Connoisseur
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    Re: Huge Install Weekend

    nice score on the headers. are they catted ?

  13. #12
    JD03Cobra's Avatar
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    Re: Huge Install Weekend

    Quote Originally Posted by maxspeed96ct View Post
    nice score on the headers. are they catted ?
    I believe they only offered catless...That was the case when I called them 6 months back.

  14. #13
    maxspeed96ct is offline Cadillac Owners Connoisseur
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    Re: Huge Install Weekend

    wow awsome deal, are they used for 459 or new ?

    who sells the katech headers, i cant find them on thier website. how much are they normaly.
    Last edited by maxspeed96ct; 08-18-09 at 07:14 PM.

  15. #14
    JD03Cobra's Avatar
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    Re: Huge Install Weekend

    Quote Originally Posted by maxspeed96ct View Post
    wow awsome deal, are they used for 459 or new ?

    who sells the katech headers, i cant find them on thier website. how much are they normaly.

    ctsv154 mentioned they use to be $1500. They were advertising around $950 last fall to get rid of their inventory. Not sure if anyone other than Katech Motorsports sold them but $459 is a heck of a deal.


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