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Thread: What exhaust are you FI guys running?

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  1. #1
    Join Date
    Dec 2008
    Location
    South Carolina
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    794

    What exhaust are you FI guys running?

    So what kind of mufflers, size pipe and what not are you turbo guys running? i have all 3'' with a gmmg chamber but dont know if that will be too restrictive for a turbo
    2008 GMC Sierra SLE....370ci LY6 with some goodies SOLD
    1995 C2500- LS1 swap with a mp112
    build thread- http://www.ls1truck.com/forums/lsx-t...-ls1-swap.html

  2. #2
    Join Date
    Apr 2008
    Location
    Birmingham, AL
    Posts
    3,626
    more flow = more better. my setup is 3" down pipes of each turbo into a single 4" with two magnaflow mufflers on it, it seems to work pretty well
    01 Silverado

  3. #3
    Join Date
    Sep 2005
    Location
    Austin Tx.
    Posts
    13,138
    I have some $17 baffled exhaust I got from some place here. I am thinking about going with a corsa diesel when I get my DP redone
    1951 3100
    1984 C10

  4. #4
    Join Date
    Dec 2010
    Location
    Ventura County, CA
    Posts
    21
    I have 3inch dummped electric cut out.....seems to work for me

  5. #5
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    3,581
    Dual 3" downpipes which have 3.5" cutouts at bottoms. I have dual 3" with 14" magnaflows exiting out the side. Nice sound thru pipes. However with air filters and thru exhaust I lost 25rwhp vs open cutouts on the down pipes

  6. #6
    Join Date
    Dec 2008
    Location
    South Carolina
    Posts
    794
    thanks i got 3 inch all the way from down pipe and it dumps over the back axle..i have cuts outs so i guess i could just open them if i want loud...how loud are front mounts tho? i wanna be able to hear that bad boy whistle
    2008 GMC Sierra SLE....370ci LY6 with some goodies SOLD
    1995 C2500- LS1 swap with a mp112
    build thread- http://www.ls1truck.com/forums/lsx-t...-ls1-swap.html

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