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  1. #1

    Default throttle body spacers

    Have a 99 silverado 5.3L. Anyone have any luck with theses spacers. Do they really work? Do they really get maybe 2 miles more per gallon. Looked at poweraid and others. SOme helix the air into the engine, some do not. Which are better. Please help.

  2. #2
    Legend
    finalday7's Avatar
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    Default

    No I've done quite a bit of reasearch on this and all answers lead to Waste Of Money. Sorry it sux.

    KRIS
    2007 GMC Sierra CrewCab 4.8L
    Tinted Windows, 20" Chrome MB Predators on 275/55/20 Copper AT's, GM Bed Rug, Speed Scene Chrome Grille, Putco Chrome Handles, Hypertech Max Energy Programmer, Magnaflow Muffler and many more mods to come.
    Former GM Vehicles:
    96 Chevy Camaro. My first car modded for a High School kid.

  3. #3
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    dwill3015's Avatar
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    I have installed them on 2 vehicles I own and I was impressed with increased performance in both cases. There are not a lot of bolt-on performance parts for your application so every bit helps. Exhaust, cold air intake, programmer, and the TB spacer is about all you can play with.
    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.

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