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Trouble with the new FLHXS

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Old Sep 24, 2013 | 05:44 AM
  #11  
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Originally Posted by lp
O2s back in the same positions?
Yep. I used a 2013 header pipe for the decat swap.

Originally Posted by lp
Checked for exhaust leaks at the exhaust ports?
Checked and checked again. Can't seen anything with an incense stick or camplighter.

Originally Posted by lp
Stock pipes are pretty restrictive still. Had plenty of friends cut out the cat and never remapped. Just wondering...

lp
Kinda what I thought.
 
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Old Sep 24, 2013 | 05:54 AM
  #12  
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Default Vied's

I put a decatted head pipe on my '13 FLHRC & VIEDS at the same time. They are set to .50. Had a couple of decal pops the first day but nothing since. No tuner and no dyno. Bike runs great and sounds good too.

According to Nightrider web site I can go with new mufflers and A/C and still wont need a tuner, not at least until I go into the cams etc. Will find out next year.
 
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Old Sep 24, 2013 | 06:00 AM
  #13  
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When I put the decatted pipe on my 12 Roadking with the stock slip ons I didn't notice any negative effect, if anything ran better and sounded better.


JG
 
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Old Sep 24, 2013 | 06:08 AM
  #14  
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It definitely sounds better, and runs better as long as I'm on the throttle.

Don't know. I'm gonna look into it further today.
 
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Old Sep 24, 2013 | 06:30 AM
  #15  
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Originally Posted by d-streetglidr
It definitely sounds better, and runs better as long as I'm on the throttle.

Don't know. I'm gonna look into it further today.
Yeah running a little lean usually does not lead to the engine misfiring or backfiring through the intake. I guess... just haven't seen that. Have seen that running too rich.

Just for ***** and giggles check the connector beneath the air cleaner and battery connections if you touched that.

Kinda sounds like the ECM is hiccupping or not getting signal at times from something or getting the wrong reading from something who knows.

Start with checking for codes?

lp
 

Last edited by lp; Sep 24, 2013 at 09:33 AM.
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Old Sep 24, 2013 | 06:52 AM
  #16  
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put stock pipe back on Or stop rooting for the Carolina Panthers. That will fix it
 
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Old Sep 24, 2013 | 07:12 AM
  #17  
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Not sure I understand this tuning need. How does removing cat change the air fuel ratio to the point the sensors can't take care of it?
 
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