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  1. #41
    Established Member Two Rings BWilson's Avatar
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    Quote Originally Posted by gdawg'05a4 View Post
    The A6 has a factory x-pipe before the suitcase muffler. Just jacked up my car and took some pics of it.

    Attachment 61119Attachment 61120Attachment 61121

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    Just to verify what gdawg'05a4 and others have already stated, there's already a X-pipe on our cars. I took pictures when I had my center muffler removed today. I was going to replace it with the MagnaFlow X-pipe but decided not to after reading we already have a X-pipe. I had straight pipes installed with MagnaFlow exhaust tips. It's just a little louder than stock, but it's enough for me. I will post before and after sound clips tomorrow.
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    2014 A6 Premium Plus - 19" HRE FF01 - H&R Sport Springs - EPL Stage 2 - SC Pulley - Injen CAI

  2. #42
    Active Member Two Rings
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    Does the A7 have an X-pipe already as well??

  3. #43
    Established Member Two Rings
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    2014 A6 3.0 X-Pipe or Straight pipe when removing Center muffler?

    Update - I removed the two baby mufflers / resonators, the center suitcase muffler, and also replaced the rear mufflers with Magnaflow mufflers #11226. The car sounds like a beast but has a god awful amount of drone now..

    My question is - To remove the drone do I put back the two baby mufflers / resonators or put back the stock rear mufflers? I don’t want to put both them back because then it will sound stock but I just want the drone gone.


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    2014 Audi A6 Premium Plus | Injen Intake | 20" Nissan M117 | H&R Sport Springs | Custom Exhaust | 20% Tints | Vagcom mods

  4. #44
    Veteran Member Four Rings p3u's Avatar
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    Dallas
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    Put back the resonators and drone will be gone.
    C7 A6 3.0T, APR Stage 2+, CTS SC Pulley, 189mm Fluidampr, Ported Supercharger, Autotech HPFP, Merc Quad Pass HX, RS7 airbox, 034 Motorsports hose, SQ5 21" Forged Wheels, 380mm SQ5 front brakes, 356mm S6 rear brakes, E-codes, RS6 Grill, RS6 Pedals, H&R Springs, center muffler delete, Magnaflow 120mm tips.

    0-60mph 3.32s
    1/4 mile 11.46s @120.07mph (via dragy)

    Past B6 S4 Avant, C5 RS6 Stage 2+, B5 S4 Stage 3+, B6 S4, MKIV R32

  5. #45
    Established Member Two Rings
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    So just the 2 baby resonators then?


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    2014 Audi A6 Premium Plus | Injen Intake | 20" Nissan M117 | H&R Sport Springs | Custom Exhaust | 20% Tints | Vagcom mods

  6. #46
    Active Member Two Rings i8snitches's Avatar
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    Just wanna say thx for the feedback and following along with thread... just sent back my Magnaflow 11385's... going the same route of simply remove the center x-pipe and replace with straight pipe instead... trying to get everything done prior to C&O on April 29th at Lenox Mall, GA
    2014 A6 3.0T White/Beige | Sport & Convenience Package | 20” 10-spoke
    - - -
    MODs: 3M Color-Stable (20%) | APR Stage 2 Single Pulley | APR 93 Octane | Injen CAI w/filter| Audi RS7 Airbox | Weathertech Audi A6 Floor and Trunk Liner
    UPCOMING: APR 3.0 TFSI CPS, Center Muffler Delete, APR Stage 2 Dual Pulley

  7. #47
    Established Member Two Rings
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    Quote Originally Posted by i8snitches View Post
    Just wanna say thx for the feedback and following along with thread... just sent back my Magnaflow 11385's... going the same route of simply remove the center x-pipe and replace with straight pipe instead... trying to get everything done prior to C&O on April 29th at Lenox Mall, GA
    Doing just the center muffler will yield very little gain in sound / tone. Don’t get me wrong, it will sound better than stock but it will still be somewhat “stock” like. I guess it depends on the kind of sound / tone you’re going for but mine sounded nothing like p3u’s for some reason.


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    2014 Audi A6 Premium Plus | Injen Intake | 20" Nissan M117 | H&R Sport Springs | Custom Exhaust | 20% Tints | Vagcom mods

  8. #48
    Active Member Two Rings i8snitches's Avatar
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    I'm not looking for too much drama... as I want to retain my stock look... with a slight bump in exhaust note...

    Time will tell once done... be curious how much of a difference deleting both center muffler and replace the rear mufflers...

    I see no real benefit dropping $2k+ for a completely new exhaust with little no gains other than sound... with APR Stage 2 dual pulley setup... However if I go to UltraCharger... then general consensus is to also plan for high-flow cats...
    2014 A6 3.0T White/Beige | Sport & Convenience Package | 20” 10-spoke
    - - -
    MODs: 3M Color-Stable (20%) | APR Stage 2 Single Pulley | APR 93 Octane | Injen CAI w/filter| Audi RS7 Airbox | Weathertech Audi A6 Floor and Trunk Liner
    UPCOMING: APR 3.0 TFSI CPS, Center Muffler Delete, APR Stage 2 Dual Pulley

  9. #49
    Established Member Two Rings
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    Quote Originally Posted by i8snitches View Post
    I'm not looking for too much drama... as I want to retain my stock look... with a slight bump in exhaust note...

    Time will tell once done... be curious how much of a difference deleting both center muffler and replace the rear mufflers...

    I see no real benefit dropping $2k+ for a completely new exhaust with little no gains other than sound... with APR Stage 2 dual pulley setup... However if I go to UltraCharger... then general consensus is to also plan for high-flow cats...
    Then removing the center muffler will be just fine for you


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    2014 Audi A6 Premium Plus | Injen Intake | 20" Nissan M117 | H&R Sport Springs | Custom Exhaust | 20% Tints | Vagcom mods

  10. #50
    Established Member Two Rings Laserrs's Avatar
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    2014 A6 3.0t Prem Plus Ice Silver/Black 19" sport Vag Com

  11. #51
    Established Member Two Rings
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    Update - Put the two baby resonators back on but it still has a good amount of drone. The car does sound more refined with the resonators back in place so that's good. I've come to the conclusion that the drone is being caused by the Magnaflows #11226.

    Current setup - 2 baby resonators --> 2.5" piping to custom X pipe --> 2.5" piping to 2 Magnaflow Mufflers #11226 --> 4" Magnaflow Tips. Sounds beastly but has awful drone from 1800-2300RPM.

    Going to experiment with a couple more mufflers before I go back to stop. Hopefully someone learns from my experimentation / mistakes lol Will keep posting updates here.

  12. #52
    Active Member Two Rings
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    Quote Originally Posted by Jayfiniti View Post
    Update - Put the two baby resonators back on but it still has a good amount of drone. The car does sound more refined with the resonators back in place so that's good. I've come to the conclusion that the drone is being caused by the Magnaflows #11226.

    Current setup - 2 baby resonators --> 2.5" piping to custom X pipe --> 2.5" piping to 2 Magnaflow Mufflers #11226 --> 4" Magnaflow Tips. Sounds beastly but has awful drone from 1800-2300RPM.

    Going to experiment with a couple more mufflers before I go back to stop. Hopefully someone learns from my experimentation / mistakes lol Will keep posting updates here.
    So Did you cut out the stock xpipe and center muffler then replace the gap with a custom xpipe? Or just cut out the center muffler and replace that with the custom xpipe? Also why x pipe and not straightpipe?

  13. #53
    Established Member Two Rings
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    Quote Originally Posted by siyman4 View Post
    So Did you cut out the stock xpipe and center muffler then replace the gap with a custom xpipe? Or just cut out the center muffler and replace that with the custom xpipe? Also why x pipe and not straightpipe?
    I cut out the center muffler and stock x-pipe completely and had a custom x-pipe fabricated and installed. I did the straight pipes before the custom x-pipe but switched to x-pipe to see if there was any noticeable difference in drone.

  14. #54
    Veteran Member Three Rings 07S6's Avatar
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    Quote Originally Posted by Jayfiniti View Post
    Update - Put the two baby resonators back on but it still has a good amount of drone. The car does sound more refined with the resonators back in place so that's good. I've come to the conclusion that the drone is being caused by the Magnaflows #11226.

    Current setup - 2 baby resonators --> 2.5" piping to custom X pipe --> 2.5" piping to 2 Magnaflow Mufflers #11226 --> 4" Magnaflow Tips. Sounds beastly but has awful drone from 1800-2300RPM.

    Going to experiment with a couple more mufflers before I go back to stop. Hopefully someone learns from my experimentation / mistakes lol Will keep posting updates here.
    I would tend to agree with you - those rear mufflers may drone no matter what you do up front. Though the stock suitcase muffler should help considerably i would think.
    2012 A7 Prestige, Innovation Pkg, Sport Pkg, B&O / APR Stage2, Injen intake, S7 exhaust
    2012 A6 Prestige - Phantom Black/Nougat/Innovation Pkg. (sold)
    2007 S6 5.2L V10 (sold)

  15. #55
    Established Member Two Rings
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    Quote Originally Posted by 07S6 View Post
    I would tend to agree with you - those rear mufflers may drone no matter what you do up front. Though the stock suitcase muffler should help considerably i would think.
    Yup. Going to try a couple more muffler configurations before I throw in the towel and go back to the 2 stock rear suitcase mufflers.

  16. #56
    Active Member Two Rings GID's Avatar
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    I plan on doing something similar but instead of mufflers, I'm going to do a vibrant ultra quiet resonators in its place straight to tips. Heard that setup on YouTube and sounded great.

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    2016 A7 - Dakota Gray

  17. #57
    Active Member Two Rings
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    Quote Originally Posted by Jayfiniti View Post
    I cut out the center muffler and stock x-pipe completely and had a custom x-pipe fabricated and installed. I did the straight pipes before the custom x-pipe but switched to x-pipe to see if there was any noticeable difference in drone.
    Which one sounded better the straight pipes or the x pipe?
    2012 Audi A6 - APR stage 1

  18. #58
    Established Member Two Rings
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    In my opinion the x-pipe sounded a bit “cleaner” (very subjective obviously) but not that much of a difference.


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    2014 Audi A6 Premium Plus | Injen Intake | 20" Nissan M117 | H&R Sport Springs | Custom Exhaust | 20% Tints | Vagcom mods

  19. #59
    Established Member Two Rings
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    I’ll post some clips of how it sounds now with the current setup I posted above and then one after I change the mufflers tomorrow


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    2014 Audi A6 Premium Plus | Injen Intake | 20" Nissan M117 | H&R Sport Springs | Custom Exhaust | 20% Tints | Vagcom mods

  20. #60
    Established Member Two Rings BWilson's Avatar
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    Quote Originally Posted by Jayfiniti View Post
    I’ll post some clips of how it sounds now with the current setup I posted above and then one after I change the mufflers tomorrow


    Sent from my iPhone using Audizine
    Thank you...Please post. I removed my center muffler with straight pipe. I'm trying to post before and after sound clips. How do you post sound clips?
    2014 A6 Premium Plus - 19" HRE FF01 - H&R Sport Springs - EPL Stage 2 - SC Pulley - Injen CAI

  21. #61
    Active Member Two Rings
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    Quote Originally Posted by Jayfiniti View Post
    I’ll post some clips of how it sounds now with the current setup I posted above and then one after I change the mufflers tomorrow


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    Looking forward to hearing them!

    Quote Originally Posted by BWilson View Post
    Thank you...Please post. I removed my center muffler with straight pipe. I'm trying to post before and after sound clips. How do you post sound clips?
    Upload the videos to Youtube and then link them here!
    2012 Audi A6 - APR stage 1

  22. #62
    Established Member Two Rings BWilson's Avatar
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    Quote Originally Posted by siyman4 View Post
    Looking forward to hearing them!



    Upload the videos to Youtube and then link them here!
    Ok..I will have to set up a Youtube account I guess ?
    2014 A6 Premium Plus - 19" HRE FF01 - H&R Sport Springs - EPL Stage 2 - SC Pulley - Injen CAI

  23. #63
    Active Member Two Rings
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    Quote Originally Posted by BWilson View Post
    Ok..I will have to set up a Youtube account I guess ?
    If you already have a gmail then you can use that to sign in but if not you're going to have to make an account. After you've got it set up its very easy to upload to and share the link
    2012 Audi A6 - APR stage 1

  24. #64
    Established Member Two Rings
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    Quote Originally Posted by BWilson View Post
    Thank you...Please post. I removed my center muffler with straight pipe. I'm trying to post before and after sound clips. How do you post sound clips?
    Just create a free gmail account and upload to youtube.

    How do you like the sound?

  25. #65
    Active Member Two Rings
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    Quote Originally Posted by BWilson View Post
    Ok..I will have to set up a Youtube account I guess ?
    Any luck getting those videos uploaded?

  26. #66
    Established Member Two Rings BWilson's Avatar
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    Quote Originally Posted by siyman4 View Post
    Any luck getting those videos uploaded?
    Not yet...will attempt to this weekend. If I had the funds right now I would purchase a AWE catback exhaust system. Removing the center muffler and replacing with straight pipe sounds a little better but I think the best option is to save for a complete exhaust system.
    2014 A6 Premium Plus - 19" HRE FF01 - H&R Sport Springs - EPL Stage 2 - SC Pulley - Injen CAI

  27. #67
    Established Member Two Rings
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    Soooooooooooooo, still trying to tackle this drone issue. Had the muffler shop install two "drone sticks" (don't know what else to call them lol) parallel to the mufflers and still nothing. These pipes are supposed to cancel out drone but did nothing in my case.

    I'm trying everything not to go back to stock mufflers. Any suggestions on mufflers that do not produce drone?
    2014 Audi A6 Premium Plus | Injen Intake | 20" Nissan M117 | H&R Sport Springs | Custom Exhaust | 20% Tints | Vagcom mods

  28. #68
    Active Member Two Rings GID's Avatar
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    Quote Originally Posted by Jayfiniti View Post
    Soooooooooooooo, still trying to tackle this drone issue. Had the muffler shop install two "drone sticks" (don't know what else to call them lol) parallel to the mufflers and still nothing. These pipes are supposed to cancel out drone but did nothing in my case.

    I'm trying everything not to go back to stock mufflers. Any suggestions on mufflers that do not produce drone?
    If it's not that bad, you can try to use sound deadening. It would also help with any road noise as a byproduct.

    Sent from my ONEPLUS A5000 using Tapatalk
    2016 A7 - Dakota Gray

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