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Author Topic: CFR Slip Ons  (Read 4450 times)

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Roylfrancis

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CFR Slip Ons
« on: July 19, 2013, 10:54:50 PM »
Quick question after installing my CFR slip ons do I need to retune it?

Rot
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05Train

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Re: CFR Slip Ons
« Reply #1 on: July 19, 2013, 11:00:08 PM »
Any time airflow through the motor is changed, the bike will benefit from a re-map.  A stock bike will run smoother, stronger, and cooler with one too.


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willyB

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Re: CFR Slip Ons
« Reply #2 on: July 19, 2013, 11:34:41 PM »
If you've added CFR's without changing your head pipe my question would be why? stick on a real head pipe, by a tuner and get a good tune. you will like the results.

05Train said it right!

Do Not let these things run lean!
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GMR 577 Cams, S & S Lifters, S & S Pushrods, V&H Headers, Rinehart 4” Slipons, TTS Tuner, 12" Yaffee Monkey Bars, Color Matched Chopped Tour Pak (510 HP and 763 TQ +/-)

Jswerve

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Re: CFR Slip Ons
« Reply #3 on: July 20, 2013, 07:22:32 AM »
Quote from: Roylfrancis on July 19, 2013, 10:54:50 PM
Quick question after installing my CFR slip ons do I need to retune it?

Rot
No, they don't tune worth a &^&% anyway!  :o
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2012 FLHXSE3 Ruby Red/Typhoon Maroon
|Color Matched Detachable Tour Pak | Fuelmoto PV | Dragos 580 cams | Dragula 2-1/Ghost Pipe | Cyclesmith 13's | Sachs heads | Yaffe Stealth III License Plate Frame| Long Angled High

Roylfrancis

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Re: CFR Slip Ons
« Reply #4 on: July 20, 2013, 10:59:34 AM »
I have a decated head pipe heading my way.  I plan on talking with Jamie from fuelmoto and picking up a power vision with a canned tune. 

Thanks for the responses,

Roy
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05Train

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Re: CFR Slip Ons
« Reply #5 on: July 20, 2013, 11:05:10 AM »
Good call.  FM's maps are very, very good, and it's easy to fine tune them with the PV.
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100HP

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Re: CFR Slip Ons
« Reply #6 on: July 20, 2013, 02:35:18 PM »
  No, you need to retune the bike after you buy different mufflers!!  good luck with the CFR's.   
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FLTRI

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Re: CFR Slip Ons
« Reply #7 on: July 21, 2013, 01:32:11 PM »
If the CFRs have the update (restriction) they work as well as any other slipon.
The original CFRs were WAY TOO OPEN to work down low.
Anyone with tuning issues with original CFRs can call them for an update piece.
Bob
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Jswerve

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Re: CFR Slip Ons
« Reply #8 on: July 21, 2013, 10:18:34 PM »
Quote from: FLTRI on July 21, 2013, 01:32:11 PM
If the CFRs have the update (restriction) they work as well as any other slipon.
The original CFRs were WAY TOO OPEN to work down low.
Anyone with tuning issues with original CFRs can call them for an update piece.
Bob
Can you post some pics are links to this...
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2012 FLHXSE3 Ruby Red/Typhoon Maroon
|Color Matched Detachable Tour Pak | Fuelmoto PV | Dragos 580 cams | Dragula 2-1/Ghost Pipe | Cyclesmith 13's | Sachs heads | Yaffe Stealth III License Plate Frame| Long Angled High

tomroozendaal

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Re: CFR Slip Ons
« Reply #9 on: July 25, 2013, 05:05:31 PM »
Quote from: FLTRI on July 21, 2013, 01:32:11 PM
If the CFRs have the update (restriction) they work as well as any other slipon.
The original CFRs were WAY TOO OPEN to work down low.
Anyone with tuning issues with original CFRs can call them for an update piece.
Bob

Can you give us some more info, pics or a link. I have CFR's installed on my scoot, together with the x-pipe C. The more info I can get the better

Thanks...
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krypto2011

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Re: CFR Slip Ons
« Reply #10 on: July 25, 2013, 05:41:41 PM »
Quote from: FLTRI on July 21, 2013, 01:32:11 PM
If the CFRs have the update (restriction) they work as well as any other slipon.
The original CFRs were WAY TOO OPEN to work down low.
Anyone with tuning issues with original CFRs can call them for an update piece.
Bob
I have sent them an email and left a voicemail asking about this and if they would confirm it because I have these mufflers. So far i have refused to sacrifice sound for the low end dip. They have not returned either form of contact. I will be doing a cam swap and retune this winter and would like to stay with their mufflers but if i still have the dip on the dyno I may throw them away and start over. I sure would like to try these new baffles!!!
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2011 SESG Krypto/Black Diamond, SE 259e cams, SE 5.3 injectors, HPI 58mm throttle body, heads ported and polished, V&H power duals, CFR mufflers, SE race tuner, SE high flow air filter

HDultraDad

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Re: CFR Slip Ons
« Reply #11 on: July 25, 2013, 06:11:33 PM »
Last month I installed CFR's slip-ons on my '12 CVO Ultra Glide.  I did not change anything else except with the 110 engine you must get a tuner installed.  I installed the H-D SE Race Tuner.  After the Dyno, my horsepower went up 5.4% and my torque increased 4.8%.  HP now at 87.2 and torque at 107.1.  Very noticeable improvement.   
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SE Race Tuner,
CFR's,
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A couple of other upgrades,
What else is needed on a CVO?  Just knees in the breeze!

Rio

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Re: CFR Slip Ons
« Reply #12 on: July 25, 2013, 06:36:16 PM »
Anyone considering CFR's should take a close look at the Kerker Stout Mufflers.  Paul Yaffe has a pretty good You Tube video on them.  I considered the CFR's with the fullsac head pipe but there was too much negative out there on them by people that know their chit.
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100HP

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Re: CFR Slip Ons
« Reply #13 on: July 25, 2013, 08:23:45 PM »
I'd like to see that dyno chart if you could post it..  Lets see, 600 for CFR's,400 for SERT, 300 for dyno.  87/107. vs   Fullsac headpipe, Fullsac 2.25 baffles, SERT, Dyno. 94/104. TW555 cams-102/112.
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Doc 1

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Re: CFR Slip Ons
« Reply #14 on: July 26, 2013, 07:46:49 PM »
Quote from: 100HP on July 25, 2013, 08:23:45 PM
I'd like to see that dyno chart if you could post it..  Lets see, 600 for CFR's,400 for SERT, 300 for dyno.  87/107. vs   Fullsac headpipe, Fullsac 2.25 baffles, SERT, Dyno. 94/104. TW555 cams-102/112.

Fullsac XD pipe, any 2'' baffle slip-on or Fullsac 2'' cores we see 95/116 with the 255 cams on an average all day long, (oh ya need a good tuner and tune also...lol)
Doc
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