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Resonator Removal on Sport

Discussion in 'Modified 2011- 2018 Explorer Sport Tuning' started by Rican219, September 4, 2015.


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    1. Rican219

      Rican219 New Member

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      Going to build a custom Exhaust for Wifey's sport later. I'm thinking about doing a Res Delete this weekend to wake it up a little. I have searched but haven't found to much on this.

      In all of my other modifed cars (NA and Turbo'd) this is a quick little wake me up mod (Sound and small performance gain). Anyone done it? I can't be the first.
       
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    3. explosportguy

      explosportguy Elite Explorer

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      Hi Rican. Be sure to keep the resonator in case there is a problem with drone in the cabin. X-pipe install might help. Some info in the links below. XS exhaust system is really pretty good from the factory from the perf standpoint. Many other exhaust threads here. Just search on 'resonator' or 'downpipes', etc. The real weak performance link is the downpipes.

      http://www.explorerforum.com/forums/showthread.php?t=432706

      http://www.explorerforum.com/forums/showthread.php?t=427183
       
      Last edited: September 4, 2015
    4. usmc8999

      usmc8999 New Member

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      Resonator delete

      I did this on 2015 sport. Removed resonator and dual Flowmaster Super 44's. The drone between 65 - 80 is vicious. Startup and Around town and accelerating sounds sweet but highway cruising takes some getting used to. Doesn't bother me a bit but I haven't had a single passenger that didn't think it was annoying. Drives my wife crazy.

      Send me your number and I'll send you a sound clip.
       
    5. explosportguy

      explosportguy Elite Explorer

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      This seems to be the general consensus. My 'Magnaflows only' mod gave me the sound bump I was looking for with no drone at cruising speeds (but with some exhaust tone - different from drone). No perf diff in 0-60 times at all but now it sounds like the real world 5.9s it is turning.

      I'll make a few sound clip videos if I can ever get the chance because I'm really pleased with the result.
       
      Last edited: September 4, 2015
    6. Rican219

      Rican219 New Member

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      I'm curious to hear both of your setups! I'm no a fan of drone and this is wifey's car so I don't want her to hate it but she does want more sound. My G8 was in your face loud but didn't drone. I want her to have some sound when she gets on it.

      This is Full Exhaust and Gutted Cats on my G8. I used the Solo-Performance no drone setup (J Tubes) and man it sounded stock inside but In your face outside.

       
    7. Rican219

      Rican219 New Member

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      I do not want the ricer rasp! Deep Tone nice G35 on 370Z sound would be awesome.

      I have heard the Corsa + Downpipes and I hate that sound.
       
    8. Typhoonfd

      Typhoonfd New Member

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      I was told the other day by a tech at livernois. If you remove the resonator you are going to rob the sport of power. Can anyone else confirm? I did ask if there exhaust came with resonators he said yes.
       
    9. gns30

      gns30 New Member

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      Don't do it! I have a post in here about it, I put borla mufflers on and had removed the resonator, sound great outside, horrible drobe inside. I put the res. back in and it was perfect. Also, huge noticeable loss of low end torque without it. I thought of putting an x pipe in instead of the res. But I was happy the way it turned out and left it.
       
    10. plumbago

      plumbago Active Member

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      This is some of the BEST advise you will ever get.....best regards Plum
       
    11. explosportguy

      explosportguy Elite Explorer

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      Some of the guys in the XKR forum experienced a similar loss in low end torque when making piecemeal mods to their exhaust systems. I don't have any experience with the Xsport in this regard, but I have lots of experience with NA motorcycle exhaust systems. Without getting into the technical aspects, you can definitely impact your power characteristics in an unexpected fashion with ad-hoc exhaust mods. Many variables here.
       
    12. Viciouslord

      Viciouslord New Member

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      I'm wondering what would happen if we welded in aftermarket resonators.

      I'm interested in redoing my cat-back exhaust... Ideally I'd like to upgrade to 2.5 piping, aftermarket resonators and mufflers (borla or magnaflow). I absolutely to not want any drone.
       
    13. Viciouslord

      Viciouslord New Member

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      Bump for any input.
       
    14. UIN2IT

      UIN2IT Active Member

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      Save up your pennies and just get the Livernois Cat-Back...
      great sound/perf & no drone!
       

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    15. Quicksilver

      Quicksilver Active Member

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      http://www.explorerforum.com/forums/showthread.php?t=398544


      Full custom is nice, but gets pricey. Including the downpipes and labor from my exhaust guy, I'm in about $2300. Power is vastly improved but I do have some drone between 1900-2100 rpms which is right about 75 in 6th gear. Needless to say, I spend more time in 5th unless I'm doing over 80MPH. Because of the crank angle of the firing pulses on a V6, they have much worse drone than 4's or 8's. There is a fix that I learned from the Cummins Diesel guys, it's a dead-head chamber welded into the system that holds specific tuned volume of space. Finding that volume involves the displacement of your motor, the RPM's where the drone is and even EGT's(or so they told me). The result of the right volume piece is astounding, I thought it was hocus-pocus type stuff but a guy in FLA built a sliding inner/outer section that he could loosen the clamp on and adjust and he could change it from works perfectly to works not at all based on adjusting the slide(and volume) of the chamber. Mines not terrible and I just haven't built the chambers yet, but keep telling myself I will:D
       

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    16. ShiloJess

      ShiloJess Member

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      Sorry, nothing but noise pollution to me. To each thier own.:thumbdwn:
       
    17. Rican219

      Rican219 New Member

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      But you get that ricer rasp when you add new down pipes correct?
       
    18. CalifLove

      CalifLove Active Member

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      This may help. I posted in another thread regarding my experience which follows a few other guys here -

      http://www.explorerforum.com/forums/showpost.php?p=3351541&postcount=40

      I have sound clips of Stock, no res delete but muffs, and then replaced muffs/res .

      Xpipe definitely helped with drone but its still there a bit....

      Hope it helps.
       
    19. Ajar

      Ajar Active Member

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      No. I did catless down pipes only and have just a little more growl along with a noticeable turbo whistle I didn't have before. Nice performance boost, sound wise the most noticeable thing is the whistle...

      I think the cat back is what's giving people the ricer sound, which is why I haven't done it...
       
    20. Rican219

      Rican219 New Member

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      Nice so do the downpipes and stay with Stock Exhuast. Still a nice gain in power and sound. Sounds like the best bit of advice so far. :thumbsup:
       
    21. LROB75

      LROB75 New Member

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      I'm no expert on cars so this is why I ask questions. How does a resonator provides back pressure? Can someone please explain? Thanks!
       
    22. peterk9

      peterk9 Staff Member Moderator Elite Explorer

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    23. LROB75

      LROB75 New Member

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      Okay so if resonators produce back pressure to prevent loss of power than why do race cars have straight pipes?
       
    24. LROB75

      LROB75 New Member

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    25. BillyG2014Sport

      BillyG2014Sport Member

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      Local custom muffler shop replaced my resonator with a 2.5" straight pipes and X pipe. I have no drone what so ever. It actually sounds the same as stock. They also cut of my 3' tips and replaced them 4" stainless tips that have a factory look. I was hoping for a deeper throatier sounds and I didn't achieve it. I believe i will have to replace the mufflers to get a louder sound but I am second guessing myself if that is really what i want. It's a family SUV with a six cylinder and turbos. This motor will never produce the sound of an Nissan GTR! Hopefully my mod allowed the engine to breath a little better and if I decide to continue with the exhaust modifications I will install the catted down pipes.
      If you have the money I would just go with LMS's full exhaust and downpipes for the best results in power and sound.

      IMG_2496.JPG

      IMG_2497.JPG

      DSC_6873.JPG
       
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    26. peterk9

      peterk9 Staff Member Moderator Elite Explorer

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      Replacing a resonator may not be a good thing according to the video below and also Livernois. Less back pressure = less HP.



      Peter
       
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