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Thread: mpg help

  1. #1
    Join Date
    Jul 2009
    Location
    bryan, tx
    Posts
    19

    mpg help

    I added a cai and a muffler(one chamber) and seem to lost mpgs. I have magnaflow on my 6.0 escalade and gained mpg's. So I dont think the loss of backpressure killed it but could I be wrong.
    2000 sierra, full airaid system, cherry bomb extreme, soon to be tuned
    1987 sierra classic w/chevy badges custom everything: system, interior, paint, wheels and everything else

  2. #2
    Join Date
    Oct 2008
    Location
    Cedar Park, texas
    Posts
    440
    By one chamber you mean flowmaster? your magnaflow is straight threw unlike flowmaster where its like a maze.
    Axekick tuned, Pacesetters, Servo.

  3. #3
    Join Date
    May 2009
    Location
    hot & windy
    Posts
    1,117
    i know when i first added intake & exhaust, i found my right foot further to the floor more of the time...
    00 FRC - just top end, exhaust, and a hot-air intake
    99 Sierra - 5.3 / 5spd
    ↓ click the pic for the build ↓

  4. #4
    Join Date
    Jul 2009
    Location
    bryan, tx
    Posts
    19
    I have a cherry bomb extreme which is similar to the flow and I have been being easy on it on highway trips. also I know its hot outside but still
    2000 sierra, full airaid system, cherry bomb extreme, soon to be tuned
    1987 sierra classic w/chevy badges custom everything: system, interior, paint, wheels and everything else

  5. #5
    Join Date
    May 2009
    Location
    Plainfield, IL
    Posts
    2,036
    I think i lost a lil with my flow... and i know i lost low end.


    Still trying to find a decent replacement. Want deep/loud, but not ANNOYING.
    blown transmissions are about as useful as 97% of the guys on this forum

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