Lt Header Cat Dlte Issue.

Discussion in 'Charger Performance Mods - Engine - 6.4L HEMI' started by verdugo135, Aug 9, 2017.

  1. verdugo135

    verdugo135 New Member

    Joined:
    Mar 23, 2011
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    Location:
    NYC
    Vehicle:
    07 SRT8 PLUM
    Trim?:
    SRT8
    Color?:
    Plum Crazy Purple
    I was running Longtubes with high flo cats to a corsa extreme. I experimented and deleted the highflo cats and adjusted the tune for it. Now i get this extremely ugly sounding flutter from my exhaust when downshifting or letting off the gas period. Any exhaust pros in here can chime in on this and help me out. Don't really wanna put the high flows back on, don't really wanna live with that exhaust sound.
     
  2. Dwhip

    Dwhip Active Member

    Joined:
    Jan 1, 2009
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    1,858
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    Location:
    DMV-DC/MD/VA
    Vehicle:
    Road&Track PKG
    Trim?:
    R/T
    Color?:
    Custom paint
    The catless mids probably made it more raspy. Putting the highflows on probably is the best option unless you change the catback to a chambered sounded setup
     

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