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  1. #1

    Default Headers for a 5.3

    Are shorty headers for a 5.3 really worth it in the long run. Is there a gain in sound, performance, economy. Basically post your opinion of your headers good or bad.


    IF YOU AINT FIRST, YOUR LAST!


    2003 GMC Sierra 1500 Z71
    K&N Intake
    Flowmasters
    6K HID Lows, Highs, Fogs
    3 Piece Billet grille
    De-badged
    Autopage Remote Start
    3000 Watt Stereo System
    Truxedo Bed Cover
    3 Inch lift
    33x11.5 Nittos
    18" Weld Wheels

  2. #2

    Default

    Quote Originally Posted by ajfdirtrider View Post
    Are shorty headers for a 5.3 really worth it in the long run. Is there a gain in sound, performance, economy. Basically post your opinion of your headers good or bad.
    Shorty Headers are to close to your stock manifolds.....but they are for the most part a direct bolt-on with no mods to your exhaust,
    Long Tube Headers will yield much better gain in low end torque,but your exhaust will need to be reworked and of course more $$$



    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
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  3. #3
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    Default

    Yep, X2 what 99Heartbeat said Dirtrider. Shorty headers don't offer much except an easy installation. If you want performance and better economy spring for a set of long tube, equal length headers
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol


  4. #4
    Jr. Apprentice rutroe's Avatar
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    Default

    Agreed...long tubes for the win!
    07 Silverado Z71, 6.0L, Turbonetics T-76 @ 10 psi, 75-shot, Comp 212/216 .560, 4L80, Yank 3000, meth injection, Magnaflow dumped, e-cutout, Nelson tuned

    Best time: 12.99@112

  5. #5

    Default

    Shorties are good if you have emmission laws etc. Long tubes do make more power. Also if you buy a set of long tubes with the intermediate pipe and you have a suspension lift, leveling kits are o.k., the cross over pipe may hit the front driveshafts on 4X4 trucks.

  6. #6

    Default

    I had a set of shorties on my '02 and i could tell a little difference in the sound, but that's pretty much it. I don't know about HP or MPG because I put the CAI and programmer on at the same time.
    2002 Chevy 1500 Ex-cab Z71: 5.3L, auto 4, shorties, hi-flow cats, true dual 2.5" straight pipes, AirAid intake, TBS, Platinum plugs, 8.5mm wires, programmer, 3in w/ 33s, also has the composite bed

    2010 GMC 1500 Crew Cab Z71 w/ All Terrain package: 5.3L, auto 6, 2" Zone leveling kit, AirAid Jr. Intake Kit

  7. #7

    Default

    long tubes or doug thorley tri-y's.
    Bagged 06 Silverado Crew Cab.

  8. #8
    Sr. Apprentice
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    Default

    I'll throw my vote behind getting a set of long tube headers. There are a few companies like Pacesetter and American Racing make them for a very reasonable price.

    Adam - Wherever the Navy puts me
    2007 Chevy Silverado Regular Cab
    22x10 KMC LO-FI w/ 305/40R22 Yokohama Avids
    Ground Force 2"/4" Lowering Kit
    Eagle Eye Projector "Halo" Headlights
    RECON smoked tail lights
    RECON smoked third brake light
    De-Lettered
    De-Molded
    5.3L V8 Flex Fuel
    Banks Power Ram-Air Intake
    TEA Stage 1.5 Heads
    Comp Cams 54-450-11
    Dynatech Full Length headers
    Dynatech Intermediate pipe with hi-flow cats
    2.5" Single-in, Dual-out Magnaflow muffler
    296 rwhp
    306 ft-lb torque

  9. #9
    Sr. Apprentice Fan45acp's Avatar
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    Default

    Don't waste your money on shorties.Buy some KOOKS or AMERICAN RACING HEADERS.They come with converters (2) and a Y pipe for about $1500.

  10. #10

    Default

    $1500 !! that's more than I spent on a full stainless custom bent set up. And that was true duals all the way out the back.
    2002 Chevy 1500 Ex-cab Z71: 5.3L, auto 4, shorties, hi-flow cats, true dual 2.5" straight pipes, AirAid intake, TBS, Platinum plugs, 8.5mm wires, programmer, 3in w/ 33s, also has the composite bed

    2010 GMC 1500 Crew Cab Z71 w/ All Terrain package: 5.3L, auto 6, 2" Zone leveling kit, AirAid Jr. Intake Kit

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