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Thread: MAC Cold Air Intakes

  1. #1
    Join Date
    Aug 2004
    Posts
    185
    Does anyone out there have any expirence with MAC cold air intakes? I am thinking of getting one for my denali. I had a K&N on my last sierra however the filter and heat shield fit the denali but not the tube ( due to the larger radiator) Well i am getting rid of the k&n. I like the Look of the MAC, I have heard good things about them but wanted some imput. Thanks
    04 Sierra Denali
    Blown,Cam'd,stall'd etc.

  2. #2
    Join Date
    Nov 2004
    Location
    Ashburnham
    Posts
    125
    I am not sure about the intakes but I know lots of people that are very very unhappy with Mac headers and exhaust...if you can try and get some dyno results from someone that has tested it that is your best bet on making a dicision.

    -Mike

  3. #3
    Join Date
    Jun 2004
    Location
    george west texas
    Posts
    3,694
    i had mac cold air on both of my trucks...only reason it's not on the '04 is i took it off for the sts turbo...it was a great mod for the '04 as i could tell a big differnce when i installed it...did not make a good mod for the '02 because it already had chevys hd air intake on the truck...


    if my boy doesnt hurry up and install the aft cat mandral bent magnaflow system for the hd's on his truck...it's gonna be for sale...
    '13 silverado LT...stock

    '11 lt 4x4 z71..tvs1900

    '01 gmc twins 6.0 jakes 400 ladder bars w/ coilovers tuned by nelson performance

  4. #4
    Join Date
    May 2003
    Location
    so cal
    Posts
    6
    i've got one on my 02' 4.8...i love it...if i were you though, i'd opt not to get the chrome/polished pipe..it heats up very quickly, and well...who the hell wants hot air.

  5. #5
    Join Date
    Apr 2003
    Location
    Mansfield, Texas, USA
    Posts
    2,462
    Originally posted by Jewmont3@Jan 30 2005, 08:11 PM
    I am not sure about the intakes but I know lots of people that are very very unhappy with Mac headers and exhaust...
    Yup, their catted exhaust systems are junk. I had a set of their cats die in < 5K mi. Headers don&#39;t fit well nor do the intermediate pipes.

    Alas, for random parts... like mandrel bends, starter tubes, etc. Not bad.

    LAST - the Flowpath muffers sound awesome. A totally distinct sound.
    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.


  6. #6
    Join Date
    Aug 2004
    Posts
    185
    From a engineering standpoint the theory of metal vs. composite intake tubes is very subjective. At the rate air flows through the intake tube under acceleration differences in tube material will cause only a minimal difference in tube temp, let alone air temp. I have seen numerous tests that show very very minimal difference in IAT between metal and composite.
    04 Sierra Denali
    Blown,Cam'd,stall'd etc.

  7. #7
    Join Date
    Apr 2003
    Location
    Mansfield, Texas, USA
    Posts
    2,462
    Oh I agree, the metal intake tube won&#39;t make much of a difference... or at least not that I&#39;d think of.
    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.


  8. #8
    Join Date
    Jun 2004
    Location
    george west texas
    Posts
    3,694
    i agree..not much at all...
    '13 silverado LT...stock

    '11 lt 4x4 z71..tvs1900

    '01 gmc twins 6.0 jakes 400 ladder bars w/ coilovers tuned by nelson performance

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