Removing the resonator...should I?
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Thread: Removing the resonator...should I?

  1. #1
    FRESHMAN ROVER
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    Removing the resonator...should I?

    I want to beef up my exhaust sound for my RRS SC.

    Before I decide on which exhaust to order would anybody suggest removing the resonator as a cheaper and better option?
    BMW M6 '08 & Range Rover Sport '08 Black RRS SC

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  3. #2
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    Why wouldn't you?
    It'll cost you $100 or less, and if you don't like it, an aftermarket system would replace it anyways. I would have done that myself had I thought of it.
    Just make sure you remove the right piece. It's the second big muffler thing (sits underneath the rear seats) that you want to cut out and replace with straight tubing.

  4. #3
    FRESHMAN ROVER
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    have u heard of anyone removing the muffler too?
    2007 Range Rover Sport Supercharged
    2006 Range Rover Supercharged HSE

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  6. #4
    FRESHMAN ROVER
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    Re: Removing the resonator...should I?

    Quote Originally Posted by ierrahh
    I want to beef up my exhaust sound for my RRS SC.

    Before I decide on which exhaust to order would anybody suggest removing the resonator as a cheaper and better option?
    What if u just take the mufflers off?? Has anyone tried that?

  7. #5
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    FRESHMAN ROVER
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    what exactly would be the muffler on this car?
    James A. Cadet

    07 Range Rover Sport S/C
    Chawton White

  8. #6
    LIFETIME CONTRIBUTOR umbertob's Avatar
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    Take your pick:


    9: Front silencer
    7: Center silencer (this is the one Drevs wants you to chop off, I think)
    8: Rear silencers


  9. #7
    1º is offline
    FRESHMAN ROVER
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    i took off number 7 as well
    Last edited by RRToadHall; September 18th, 2018 at 02:34 PM.
    James A. Cadet

    07 Range Rover Sport S/C
    Chawton White

  10. #8
    FRESHMAN ROVER
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    what size piping ? anyone know?

  11. #9
    FRESHMAN ROVER
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    I did it....

    I did it recently and don't regret it at all. No codes and a nicer, little more aggressive sound. I added turbo tips and that's why I resolved to do this. The pro at Meineke showed me both options to consider when adding the tips. By removing the back resonator the lines were far cleaner.

    Enjoy.

    JJ
    2008 RRS HSE Custom
    2008 Acura MDX
    1964 Corvette Convertible Custom

  12. #10
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    Yes, #7 is the piece that you can remove for the "poor mans's" Borla.

    Quote Originally Posted by redline201
    what size piping ? anyone know?
    Factory size is 55mm - slightly smaller than 2.25".

  13. #11
    FRESHMAN ROVER
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    I removed both #8's and it is more aggressive sounding for sure. I doubt there's any performance gains as it's just resonator so there was little back pressure.

    JJ
    2008 RRS HSE Custom
    2008 Acura MDX
    1964 Corvette Convertible Custom

  14. #12
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    FRESHMAN ROVER
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    i removed just 7, it sounds awesome.
    Last edited by RRToadHall; August 10th, 2017 at 07:08 AM.
    James A. Cadet

    07 Range Rover Sport S/C
    Chawton White

  15. #13
    FRESHMAN ROVER
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    Guys- The #8 rear cans are the way to go, you CAN"T go wrong. On my RRSport (not S/C) I had those taken off and S/C tips installed and the tone is perfect. Nice idle, nice tone with your foor in it, while cruising nothing to bug.....and its almost free expt. for tips.
    '07 RRSupercharged (full-size)
    '06 RRSport HSE
    '02 RR4.6 HSE
    '97 Disco I

  16. #14
    SOPHOMORE ROVER
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    Only Umberto would have a picture just lying around of the full exhaust system sitting on a guy's garage floor AND a schematic of every piece. You're amazing... I am not worthy...

  17. #15
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    Quote Originally Posted by Murdered Out
    i took of 8 and barely notice a change. I'm going to do 7 and also add also add larger piping all the way back.
    I've gone down both these roads, so here's my 0.02....

    The 8's are just flow through resonators. If you look down their length, there's nothing to them - removing them has minimal effect. They are there to decrease interior noise, apparently.

    I'd say do not re-tube your rear system. Getting the bends just right is nearly impossible at a muffler shop, and you'll likely be left with places where it hits when going over bumps, etc. Larger diam pipe won't give you any increase in anything, except places where it bangs your undercarriage.

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