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Thread: cold air

  1. #1

    Default cold air

    Has anyone put a cold air intake on a chevy 5.3. if so did it make a dif

  2. #2
    TRPLXL2's Avatar
    Join Date
    Jan 2009
    Norwalk, Ohio
    Blog Entries


    I put a K&N 77 series on my old 5.3 Silverado, and it didn't do a damn thing. It did make the truck run hotter with the metal tube, but that was about it for me. My honest opinion is that was the biggest waste of $300 I have ever spent, I am now going to do the real ram air thing with my truck through the hood.
    2004 Chevy Colorado
    LS1 5.7 swap/TBSS rear axle swap

  3. #3


    i did a stage 2 cold air AFE intake noticed a big difference and i love it...but i have exhaust to i think that helps alot then just doing a cold air intake
    2004 chevy silverado "northwest edition" lifted on 35's

    1990 cherokee lifted on 32's

  4. #4
    Jr. Engineer
    Join Date
    Feb 2007
    Edmonton, Alberta, Canada


    if you want the most outta your CAI, you NEED to get full sized exhaust and headers... that will be part of a complete system.

    HOWEVER< CAI works best with other parts, and that is what all the parts manufacturers get their HP and Torque numbers from.

    CAI on its own is not really a HUGE upgrade... but it does help in mileage.

    1993 K1500 Suburban 350TBI, 378,486KMS on frame, 49,000KMS on Drivetrain. Lots of mods, built for haulin trailers and haulin @$$ :)

    2000 K2500 Yukon XL 6.0L Vortec 252000KMS custom CAI, and exhaust...but not done yet.

    "If you are dumb enough to do something you don't know how to do, and can't do it safely then WHEN you get hurt its your own fault...BONEHEAD"

  5. #5
    Sr. Mechanic
    Join Date
    May 2009
    Austin Texas


    I have had three systems on my last few trucks. My a 2000 5.3 had a K&N setup and seemed to give me more seat of the pants power and better mileage. My 2003 GMC 5.3 had a K&N and it seemed to make no diff in power but had better mileage. My 2004 Reg Cab 5.3 had a Vararam and it seemed to have more power but no diff in gas mileage. All of these trucks had aftermarket exhausts, so it is a gamble at best if you ask me.

    Good Luck!
    Be Blessed

  6. #6

    Join Date
    Feb 2008
    Red Wing, Minnesota, United States


    I first added the different intake before anything to my truck, the only difference I had was in the upper RPMs. the engine revs just a tad quicker when giving it the nuts at highway speed to pass someone. No increase in mileage though. For me having a suburban I got it were it counts out of the intake, trying to build speed with a 5000lbs truck, every little bit helps
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual

  7. #7


    I noticed more throttle response and better mileage with my K&N. Just make sure you get a plastic tube and not a metal tube.
    2000 Chevy Silverado 1500 5.3L Z71 - 4x4

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