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Thread: 3" dual exhaust with x pipe!!!

  1. #1
    Join Date
    May 2008
    Location
    Round Rock, TX
    Posts
    3,069

    3" dual exhaust with x pipe!!!

    The truck is a 02 GMC and Ive done quite a bit of work to it over the past 5yrs or so. Its had air ride done which entailed having to be back halved due to another shop hacking up the frame. Its had a 6.0/80E swap and a Maggie put on. This last round of mods included ditching the shorties and mostly stock exhaust system. I installed a set of the stainless 1 3/4 TSP longtubes and fabbed from there back a true 3" mandrel bend system with a x pipe. The mufflers are 4" bodied Magnaflows and it sounds awesome at WOT, and yet you can keep a conversation going in the cab with no drone at all.








  2. #2
    Join Date
    Oct 2011
    Location
    San Antonio TX
    Posts
    1,150
    Damn thats nice. What would something like that run$


    4.8, TSP 220, 6L90 swap, 3400 Stall, 4.10s w/30" drag radial and T76 @ 16lbs.
    Best ET 11.54@114 w 1.52 60ft
    Raceweight 4905 lbs.

  3. #3
    Join Date
    Jan 2008
    Posts
    8,031
    nice and clean

  4. #4
    Looks really good
    03' Silverado RCSB H/C 5.3, 4L80,76mm KBracing Kit
    13' Sierra Denali 2500HD CCSB 4x4

  5. #5
    Join Date
    May 2009
    Posts
    428
    Thats almost the same setup that I am going to run, but I am going with 2 1/2" tubing. Great looking work!!

  6. #6
    Join Date
    Sep 2010
    Location
    Austin, Tx
    Posts
    34
    Quote Originally Posted by RS/SS 4.8 View Post
    Damn thats nice. What would something like that run$

    My thoughts exactly
    2008 RCSB AES built 390, prc ls6 stg 1 heads, fast lsxrt, comp 224/230 114+2, circle d multi-disk 3200,built 65e, 3.73's, lt's no cats, 18" magnaflow dumped, D1sc, alky meth kit, efi live tuned by me...hold on to my drawers Some new goodies on the way ...

  7. #7
    Join Date
    Oct 2007
    Location
    Bandera, TX
    Posts
    2,921
    Beautiful as usual. Good job
    single digit street truck


    for build info

    http://www.ls1truck.com/forums/my-ga...cs-garage.html

    The best advice I have ever heard:... Only take B( . Y . )ST advice from someone that is CURRENTLY running a turbo setup close to, or bigger than what you want......

  8. #8
    Join Date
    Aug 2008
    Location
    mansfield texas
    Posts
    3,512
    Looks very clean!

  9. #9
    I did a set up like this on my buddies 06 SS, it was a mutha getting long tubes, cats, and dual 3" pipes to all fit in there. Only way I got it to fit was by making a tubular trans crossmember.

    The Fleet...
    2003 Suburban- 5.4 L59 331CI 10:5.1 Compression -Built by ME
    2004 Avalanche- 5.7 LS1 -NOT built by me
    2005 Silverado RCSB- 5.7 LS6 -Built by ME

  10. #10
    Join Date
    Jul 2008
    Location
    Mesa, AZ
    Posts
    5,979
    Quote Originally Posted by TRPLXL2 View Post
    Thats almost the same setup that I am going to run, but I am going with 2 1/2" tubing. Great looking work!!
    Why only 2.5"?? Aren't you swapping in an LS1?
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

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