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  1. #1

    Default K&N cold air intake

    Hi all,
    I have an 04 suburban 4x4 5.3l.
    I was wondering if anyone out there has installed a K&N cold air and could tell me if it helped mileage at all. I do little to no towing and only put 5k on a year.
    Any comments would be appreciated.
    The low mileage is killing me at the pump.
    thanks
    Let em roll.

  2. #2

    Default

    A Hypertech programmer will probably get you better mileage. There are some posts about this.
    2008 Silverado_ Gone
    2006 HHR LT
    2008 Cobalt LT
    2001 Sonoma Gone
    2009 Cobalt XFE

  3. #3
    Moderator

    dwill3015's Avatar
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    Default

    The K&N will help a little. Exhaust will help a little also. Intake, Exhaust, and the programmer will show the most gain.
    Darcy
    Washington State
    2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ
    Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow.

  4. #4
    Sr. Mechanic crane3447's Avatar
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    Got an '04 2wd with a 5.3. I put an "air raid" intake with a TB spacer. I up'd the exhaust from a 2.5" to a 3" and did a programmer. The best milage I've gotten was 20.5 mpg with about an 85/15% highway/city mix. But don't forget the extra 40 - 50 hp. Worth every penny! Hope this helps you decide.

    "I'm not mean... your just a sissy"

    Jason
    CURRENT
    '04 silverado 1500 2wd 5.3 (47,000K) - baby
    '97 serria 4x4 2500 454 (121,000K) - beast
    '07 saturn vue V6 (17,000K) - wife's
    '93 ck3500 4x4 6.5 desiel (300+ adding every day)
    - best of all. I don't pay for it!!!

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  5. #5

    Default

    Quote Originally Posted by dwill3015 View Post
    The K&N will help a little. Exhaust will help a little also. Intake, Exhaust, and the programmer will show the most gain.
    well said


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