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  1. #21
    Master Mechanic zigger215's Avatar
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    If you have a custom tuning shop with a good reputation...yes. But I also did the custom tune by lew with my diable intune and I gotta say, first of all, the dude is a wizard and my truck rips, secondly, getting a tuner and tune from lew isn't expensive compared to want some shops want for a custom tune.

  2. #22

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    I believe so... Though you'll have to find a shop that can do it. To me I went with the tried and true diablo product.
    2009 Chevy Silverado 2500HDLT 6.0L w/ Towing Package, Dick Cepek GM8 Rims, Dick Cepek FC II 33X11.50R17,RKSport Ram-Air Hood(Functional), Lazer Lite Aluminum Tonneau Cover, Road Armor Stealth Bumper, PIAA Lighting, Diablo Trinity Tuner, Diablew Custom Tune, BullyDog Cold Air Intake, American Racing Headers w/highflow cats, Corsa Performance Sport Exhaust, Custom Striping, Black Bowties front and rear, Fuel Grille Inserts, Recon Headlights, Readylift Shocks, Readylift Upper Contol Arms, 2" Blocks in the Rear..

    Future Plans: HD Tie Rods, Under hood upgrades, Crower Camshaft and possibly electric fans.

  3. #23
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    TRPLXL2's Avatar
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    I have true duals on my colorado, and It's loud as hell and I love it!!! long tube headers, into straight 2 1/2" pipes, into dual SLP loudmouth mufflers, turned down under cab..

  4. #24

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    Quote Originally Posted by TimTom64b View Post
    I believe so... Though you'll have to find a shop that can do it. To me I went with the tried and true diablo product.
    alright. also if i were to put shorty headers on and just run tubes down would that work as well or would long tube headers be the better choice?

  5. #25
    Master Mechanic zigger215's Avatar
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    Quote Originally Posted by TRPLXL2 View Post
    I have true duals on my colorado, and It's loud as hell and I love it!!! long tube headers, into straight 2 1/2" pipes, into dual SLP loudmouth mufflers, turned down under cab..
    Still doesn't mean it's good for the engine...

  6. #26

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    Something to note about long and short tube headers..

    Long tube (as someone else said) will perk up the low RPM area moreso than the high RPM area) they will still help in high rpm's but a greater amount in low RPM.

    Short tube will be the opposite a more pronounced gain in the high end.

    Here's the big difference, SOUND, the long tube will have more of bigblock "Throat" , where as the short tube, will be more of the 12 grand formula one "buzz".

    If you are NOT "building" the engine, and only want a per $ price HP increase, BOTH styles will help, the BIG difference will be the sound you want...........

    Greg In Brandon, Manitoba

  7. #27

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    This should help you.

    They keep saying the right person will come. I think mine is my truck.

    "No offense" means "I'm about to insult you,but don't get mad."

  8. #28

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    Thanks to all I understand it a little better now

  9. #29

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    Quote Originally Posted by newcheylover View Post
    alright. also if i were to put shorty headers on and just run tubes down would that work as well or would long tube headers be the better choice?
    I went with the long tube headers... I wanted the more low end torque boost... Wanted something definately noticeable in the seat of your pants...))
    2009 Chevy Silverado 2500HDLT 6.0L w/ Towing Package, Dick Cepek GM8 Rims, Dick Cepek FC II 33X11.50R17,RKSport Ram-Air Hood(Functional), Lazer Lite Aluminum Tonneau Cover, Road Armor Stealth Bumper, PIAA Lighting, Diablo Trinity Tuner, Diablew Custom Tune, BullyDog Cold Air Intake, American Racing Headers w/highflow cats, Corsa Performance Sport Exhaust, Custom Striping, Black Bowties front and rear, Fuel Grille Inserts, Recon Headlights, Readylift Shocks, Readylift Upper Contol Arms, 2" Blocks in the Rear..

    Future Plans: HD Tie Rods, Under hood upgrades, Crower Camshaft and possibly electric fans.

  10. #30
    Master Mechanic zigger215's Avatar
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    Some from the video that was posted, the summit rep said shorties give better low end torque and long tubes give better mid range and top end...did I miss something here?

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