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Thread: long tubes into the stock dual 3" exhaust on an HD

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  1. #1
    Join Date
    Dec 2005
    Location
    san antonio & victoria
    Posts
    234
    it's 2 in and 2 out then it Y's after the muffler. having the merge that far back doesnt do anything for scavenging, just creates a restriction.
    2007 Victory (Polaris) Hammer 100ci/6spd/stepped pipes/power commander/torque tube intake/lowered
    2010 Malibu 3.6vvt
    2000 Formula, 6.0, LS3 heads, stall, etc, etc - SOLD
    2008 CCSB 4.8 - SOLD
    2003 2500HD 6.0, long tubes - SOLD
    1999 ECSB 5.3, cam, stall, 2/4 drop, 05 wheels - SOLD

  2. #2
    For towing with the stock converter, consider the comp cams LSx 212/218 high lift cam. It will provide the low rpm power you need.

  3. #3
    Join Date
    Dec 2005
    Location
    san antonio & victoria
    Posts
    234
    i was pondering that one too. i may give it a shot.
    2007 Victory (Polaris) Hammer 100ci/6spd/stepped pipes/power commander/torque tube intake/lowered
    2010 Malibu 3.6vvt
    2000 Formula, 6.0, LS3 heads, stall, etc, etc - SOLD
    2008 CCSB 4.8 - SOLD
    2003 2500HD 6.0, long tubes - SOLD
    1999 ECSB 5.3, cam, stall, 2/4 drop, 05 wheels - SOLD

  4. #4
    Join Date
    Jul 2008
    Location
    Mesa, AZ
    Posts
    5,979
    IMO you're gonna be better off going with a single 3" exhaust. Get the pacesetter long tubes and 3" ORY and just do a single exhaust. With a stock 6.0 youre no where needing dual 3" exhaust. It will kill all that low end you're looking for.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  5. #5
    Join Date
    Dec 2005
    Location
    san antonio & victoria
    Posts
    234
    thats what i was thinking. ill probably get the y pipe and use some of my existing pipe to make a catback with a big magnaflow.
    2007 Victory (Polaris) Hammer 100ci/6spd/stepped pipes/power commander/torque tube intake/lowered
    2010 Malibu 3.6vvt
    2000 Formula, 6.0, LS3 heads, stall, etc, etc - SOLD
    2008 CCSB 4.8 - SOLD
    2003 2500HD 6.0, long tubes - SOLD
    1999 ECSB 5.3, cam, stall, 2/4 drop, 05 wheels - SOLD

  6. #6
    Join Date
    Jul 2008
    Location
    Mesa, AZ
    Posts
    5,979
    Why be cheap about it? Just run new pipe.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  7. #7
    Join Date
    Dec 2005
    Location
    san antonio & victoria
    Posts
    234
    because it's in good shape and it's free.
    2007 Victory (Polaris) Hammer 100ci/6spd/stepped pipes/power commander/torque tube intake/lowered
    2010 Malibu 3.6vvt
    2000 Formula, 6.0, LS3 heads, stall, etc, etc - SOLD
    2008 CCSB 4.8 - SOLD
    2003 2500HD 6.0, long tubes - SOLD
    1999 ECSB 5.3, cam, stall, 2/4 drop, 05 wheels - SOLD

  8. #8
    Join Date
    Dec 2005
    Location
    san antonio & victoria
    Posts
    234
    i finally got aound to doing this, and im surprised at how good the factory muffler sounds with LTs and no cats. i expected it to be raspier.
    2007 Victory (Polaris) Hammer 100ci/6spd/stepped pipes/power commander/torque tube intake/lowered
    2010 Malibu 3.6vvt
    2000 Formula, 6.0, LS3 heads, stall, etc, etc - SOLD
    2008 CCSB 4.8 - SOLD
    2003 2500HD 6.0, long tubes - SOLD
    1999 ECSB 5.3, cam, stall, 2/4 drop, 05 wheels - SOLD

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