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  1. #11


    Quote Originally Posted by ahmitchell1 View Post
    What muffler do you plan to run? My buddy is gunna run cats a super 40s. He has to pass emissions still even though I warned him the headers might screw that up. When I switch to kooks from dynatech I'm going to keep my 10 series and no cats.
    Gonna run two straight pipes to 2 SpinTechs, they sound really good to me. I have a buddy who owns a expertire here and also the whole crew is pretty cool with me so I get inspections and Emissions passed pretty easily haha

    2010 GMC Sierra Texas Edition
    K&N CAI
    Spintech Muffler
    8000k HID Kit (Lows)
    3000k HID Kit (Fogs)
    Custom LEDS
    Denali Punch Grille
    1000W JL Amp.
    Competition 12 JLs
    Alpine DVD/Navi Screen

    Check out My CarDomain!:

    When everything's coming your way, you're in the wrong lane.

  2. #12


    Thats nice. It's always about what sounds best to you. I live in a county with no emissions testing so I run what sounds best to me but the parts of Georgia that have emissions it's about impossible change the results. Also for the little bit of performance a gain it might be I use a 3 inch pipe from the y pipe to the muffler then two bends and exits. The less the bends the better the flow. And it's actually the same size and length of the stock mid pipe. I think I've become addicted to all my trucks have exits in front of the rear tires
    2009 chevy 1500 z71 4x4
    2.5 ccm level,2.5 inch rear blocks 305/60/18 coopers stt,Debadged,10 series flow w/dual exit in front or right rear tire, KN CAI, diablo InTune, 18% tint all the way around ,spec-d euro headlights with black housings,winjet smoke LED tail lights,putco LED third brake light smoked, fab fours front bumper with 10k warn winch, RK sports ram air hood
    1965 c10 swb, zz4 350 with the hot cam and fast burn heads and a 780 Holley on top, richmond super street 5 speed,restorod

  3. #13
    Jr. Mechanic
    Join Date
    Nov 2011
    Central Illinois


    Quote Originally Posted by Bigmacnchez View Post
    Will the long tubes work with stock pipes ? I had to use shorties on my 05 6.0. Here are the ones I had to use
    Do shorties flow any better than stock manifolds? Which are better for low end performance, short tube or long tube?
    I don't care about which sounds better.
    2012 Silverado 1500 LT 4X4
    2003 Suburban LT 2500 6.0L
    2004 2500HD Crew Cab LT 4x4 6.0L - SOLD

  4. #14
    Sr. Apprentice Bigmacnchez's Avatar
    Join Date
    Oct 2010
    Granbury Tx, Fort Worth Tx


    Quote Originally Posted by paracutin View Post
    Do shorties flow any better than stock manifolds? Which are better for low end performance, short tube or long tube?
    I don't care about which sounds better.

    Long tub creates more scavenging effect I just like the way the shorties fit and look.
    2005 Chevy Silverado 1500HD 6.0 BBK headers,Cold air intake, Flowmaster cat-back, Diablo Trinity tuner, 22" KMC Rockstar Cooper ATZ, Kenwood DNX-9980HD indash, 2 Kenwood XR-W10F under back seat, Kicker 11DX10001, Kenwood KAC-7205, Polk Audio DXi6500 6.5"Component Speaker System front and back, Smoked out lights, 12K Hid's HI/Lo. Code Alarm W/remote start.

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