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Post 2012 dyna exhaust on a pre-2012 dyna

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Old Jan 20, 2019 | 12:57 PM
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Default Post 2012 dyna exhaust on a pre-2012 dyna

I have seen numerous articles across numerous mediums describing putting old 18mm exhaust systems on new 12mm platforms with relative ease.

What I was wondering was if that could be done in reverse. Given California's new exhaust DB laws, my desire to move back has be concerned about the V&H Side Shots that were on my bike when I bought it, so I am looking for a used option to go on my 09 Super Glide. The only thing I have been consistently finding is pre-2005, Softail, or 2017. I am perfectly willing to put a 2017 pipe on my bike (Found a Low Rider S pipe for 50obo) but I don't know if it would even work.

Any direction would be much appreciated, thanks!!
 
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Old Jan 20, 2019 | 02:32 PM
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2006 and up should work on your 09. As for the O2 plugs, any muffler shop can mod these to which ever size you need...
 
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Old Jan 20, 2019 | 03:11 PM
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Okay. So, to take this a bit further, would it be possible to use 12mm O2 sensors on my 09 or would the ECU not register them?
 
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Old Jan 20, 2019 | 06:24 PM
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From my (small) understanding I don't think the 12mm ones are backward compatible.
 
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Old Jan 20, 2019 | 06:39 PM
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Originally Posted by itsTHATnick
Okay. So, to take this a bit further, would it be possible to use 12mm O2 sensors on my 09 or would the ECU not register them?
You can make tthem fit with a reducer, whether or not they’ll “register” with your ecu I can’t tell you. But given the fact that most Dyna pipes are listed as for 99-05 or 06-17, I think it’ll work. Another option is a tuner that’ll make your o2 sensors open loop, then just plug the holes.

Here’s a link to a reducer.

https://www.amazon.com/Innovate-Motorsports-3835-Motorcycle-Wideband/dp/B001QFL8LI/ref=asc_df_B001QFL8LI/?tag=hyprod-20&linkCode=df0&hvadid=312765622753&hvpos=1o1&hvnetw=g&hvrand=3716789959653079360&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=1012954&hvtargid=pla-570271684949&psc=1 https://www.amazon.com/Innovate-Motorsports-3835-Motorcycle-Wideband/dp/B001QFL8LI/ref=asc_df_B001QFL8LI/?tag=hyprod-20&linkCode=df0&hvadid=312765622753&hvpos=1o1&hvnetw=g&hvrand=3716789959653079360&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=1012954&hvtargid=pla-570271684949&psc=1
 

Last edited by brownie4412; Jan 20, 2019 at 06:45 PM.
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Old Feb 3, 2019 | 09:38 AM
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use the bung adapters to change from a 18mm to a 12 mm
 
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Old Feb 3, 2019 | 10:21 AM
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Originally Posted by dannyboy910
use the bung adapters to change from a 18mm to a 12 mm
He needs to go the "other" way
 
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Old Feb 3, 2019 | 04:53 PM
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See my post from a couple of years ago at https://www.hdforums.com/forum/dyna-...n-my-fxdc.html
to see how I handled this issue. I put Vance and Hines Switchback Duals for a 2012 FXD on my 2010 FXDC and have been running this setup trouble free since. I hope this info proves helpful in your case.
 
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