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Author Topic: Stock Exhaust  (Read 7563 times)

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dc1057

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Stock Exhaust
« on: February 28, 2025, 02:25:39 PM »

So who is running stock?
I have a 2015 CVO Ultra Limited. I purchased the bike used five years ago and it came with Rinehart Slimline duals and 4" Rinehart mufflers. It's way too loud.
I added the Fulsac screens and blankets but it's still too loud.
The bike has a Power Vision dyno tune done by an experianced tuner but it has a torque dip around 2500-2800 RPMs which I can feel and hear while accelerating to highway speeds.
I am seriously considering returning the bike back to stock. I have a header with the cat and the correct CVO mufflers.
Is going this route a mistake? If so, why?
Thanks in advance for your comments.
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Boatman

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Re: Stock Exhaust
« Reply #1 on: February 28, 2025, 07:44:45 PM »

I have a 2014.  Fullsac head pipe with stock CVO mufflers for 35,000 miles.  Happy with lack of noise.  It is slightly louder than when new.
If you use the stock head pipe I would take the cat out.  Less heat. 
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r0de_runr

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Re: Stock Exhaust
« Reply #2 on: March 01, 2025, 05:01:49 PM »

Stock headers with cat and HD Street Cannons on my 2020 cvo limited.  I'm happy.
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BigLock

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Re: Stock Exhaust
« Reply #3 on: March 01, 2025, 06:37:58 PM »

I have a 2018 RG cvo stock head pipe with cat and stock mufflers
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vtwinjim

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Re: Stock Exhaust
« Reply #4 on: March 02, 2025, 09:48:13 AM »

I had a 2015 CVO Limited I bought used with stock exhaust. My plan was to keep it that way since it came with a Harley extended warranty.
While on a 4000 mile road trip in the summer I noticed the heat from the header increased. Assumed the bike kept tuning itself to the leanest point. It was so bad that I changed out the exhaust when I got home. New 2-1-2 header pipe and 2" Fullsac cores in stock mufflers and PV tune. It ran great, no more heat issues, and I didn't think it was too loud.
You'll most likely lose a little power going back to stock and need a tune or go back to stock settings. Some people have the catalytic guts removed from the stock header to improve flow which also will reduce heat.
The dip in power/torque could be caused by the dual header.
Just my experience and opinion.

Good luck.
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Finster101

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Re: Stock Exhaust
« Reply #5 on: March 02, 2025, 04:07:02 PM »

Will the stock mufflers not fit onto the Reinhardt headpipe?
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Scott7d

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Re: Stock Exhaust
« Reply #6 on: March 04, 2025, 03:30:37 AM »

I have the stock decatted header and Fullsac baffles in the mufflers. Sounds healthy but not ridiculous for long trips. I definitely wouldn't want it any louder, though.

My bike is a 2020, but I'm using the heat shields from a 2018 CVO since they are gloss black. It looks fantastic against the motor and the clean up like new even after going weeks without cleaning off dirt/mud and even salt. HD heat shields in general are very robust which is why I went with this system. D&D, V&H, and S&S have all been junk when it comes to rust and discoloration. Maybe companies with "&" in the middle just don't hold up well :D
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dc1057

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Re: Stock Exhaust
« Reply #7 on: March 04, 2025, 09:30:04 AM »

Finster101
Yes, the stock mufflers will fit but it will need a new tune.
I just figured the easiest way is to go back to stock.
I had a 2013 Ultra Limited with a 103 before this bike. It had the stock header and Rinehart mufflers. Stock tune and the heat was bearable while riding. Did get hot if stuck in traffic but bearable. I put over 63k miles on it in that configureation before it got totaled.
I am assuming the 110 will be the same, that's why i'm asking.
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HOGMIKE

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Re: Stock Exhaust
« Reply #8 on: March 04, 2025, 08:29:26 PM »

I have the stock decatted header and Fullsac baffles in the mufflers. Sounds healthy but not ridiculous for long trips. I definitely wouldn't want it any louder, though.

My bike is a 2020, but I'm using the heat shields from a 2018 CVO since they are gloss black. It looks fantastic against the motor and the clean up like new even after going weeks without cleaning off dirt/mud and even salt. HD heat shields in general are very robust which is why I went with this system. D&D, V&H, and S&S have all been junk when it comes to rust and discoloration. Maybe companies with "&" in the middle just don't hold up well :D

I did the same thing when I traded my 2017 to my 2019.
My 17 mufflers had the Fullsac treatment and I swapped them with the 19 before delivery.
I had plans for my new 19, and this was just the start.
I’ve still got the same packing in them from 2019 and 99,000+ miles.
I’m pretty happy with the reliability of my complete Fullsac header and muffler setup.
My exhaust system now has more miles than my bike! LOL
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HOGMIKE

bigchuck

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Re: Stock Exhaust
« Reply #9 on: March 07, 2025, 09:59:09 AM »

The very first thing I  would do is change out lifters if it hasn't been done. Maybe a hotter cam too. Those stock lifters will fail prematurely, the only question is when.


Edit: I have the exact bike as yours. My lifters went out at just under 30,000 miles but I've heard of them going out at 20,000 miles.
« Last Edit: March 07, 2025, 10:02:54 AM by bigchuck »
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2015 CVO Limited
117" build & tune by Steve @ GMR
Fullsac dx w/2"cores, TTS
Super Shox
 

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