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  1. #1

    Default performance upgrade

    i have a 99 w/ a 5.3L it has MAF sensor, throttle body spacer, k&n cold air intake, & flowmasters.question is WHATS NEXT???? im all about the power

  2. #2
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    dwill3015's Avatar
    Join Date
    Jan 2007
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    CHIP IT BABY!!!!
    HYPERTECH
    Up to 22+HP increase and 24+Ft-Lbs torque with your particular application!
    DYNOCHART
    Last edited by dwill3015; 10-06-2007 at 09:53 PM.
    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.

  3. #3
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    finalday7's Avatar
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    Default

    If your all about power and speed what kind of gears do you have? My f150 with 80 less hp and 3.73 smoked my buddy's 2006 sierra with 3.23 gears, headers, flows and hypertech of the line. Once we got to about 25/30 he would spank me but I have to say at least 3.73 or 4.10 gears should be on your list. I'd go with a nice set of long tube hearders, or if you want to save a little bit of money some nice gibson shorties you can find on ebay. Dual electric fans will get you a few hp and definitly hypertech or edge. It's really just limited by your wallet.

  4. #4

    Default

    Build that 4l60e!!!
    99 silverado Built 4l60e, Headers, true duals, 4.10s, custom tune, elctric fans, K&n

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