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  1. #1
    Join Date
    Apr 2005
    Posts
    454
    Here is the pn for the GM catless y-pipe, PN 15045260

    $206.04 plus shipping from GMPartsdirect.com.


    can anyone confirm this p# ?? just wanna make sure its the right one for my truck
    1999 GMC Sierra black reg cab short bed SLE Z71 5.3 <--CARDOMAIN PICS
    NELSON 93 hot tune, 02 PCM, VOLANT Ram air intake, MSD wires, ACdelco iridium plugs , Edelbrock ceramic shorty headers, jegs off-road y pipe, Dynamax int pipe, 3" Magnaflow Exhaust with turndown, EGR removal, throttle body bypass, vette servo, long servo pin, performance 4th apply piston, B&M shift kit, SLP 160* thermostat, LS1 Fans, NELSON harness, ported and polished throttle body (did it myself, for free lol)..... _______? cam is next as soon as i stop spending all my money

  2. #2
    Join Date
    Aug 2004
    Location
    Magnolia, TX
    Posts
    3,259
    pulled from another site

    "Don&#39;t think there is any aftermarket company&#39;s making anything that will bolt to stock manifolds. You can get one from GM that they put on trucks for export. The PN is 15045260 and is &#036;206 plus shipping from GM parts direct."[/b]
    looks like your good

  3. #3
    Join Date
    Apr 2003
    Location
    Mansfield, Texas, USA
    Posts
    2,462
    Interesting piece but for &#036;200 you could pick up a used MIG welder. Cut the cats off from behind, get them, then reweld it back together...
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  4. #4
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Gutted cats will often times cause a backfire in the cat chamber. If you&#39;re going to gut them, put a piece of pipe through the center to channel the air straight through so that raw fuel can&#39;t accumulate in the empty chamber and cause small explosions.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #5
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    really old post but nobody seems to be talking of these anymore. New price on GMPARTSDIRECT.COM is $235.03
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  6. #6
    Join Date
    Apr 2010
    Posts
    14
    i just welded some straight pieces in...so much more power throughout...I love it.
    Shawn Anthony

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