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post #1 of 31 (permalink) Old 11-23-2014, 06:43 PM Thread Starter
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Disappointed in Dyno Results

I finally got around to install the exhaust on the '15 CVORGU, so I had my dealer put in a SERT and Dyno it; results 92hp / 108tq. The exhaust I have is CFRs with S&S Power True Duals. I've ran CFRs on my last 3-4 bikes, but this is my 1st experience with S&S; normally run V&H Dresser Duals with the CRFs. Anyway, I'm seeing '15 103s with Stage 1 get this kind of numbers. Additionally, I'm not crazy about the sound of this combo as I think the H-crossover muffles the sound and is not as loud as with V&H dresser duals. I know I loose HP/Tq with CFRs, but I was expecting better numbers; even the HD folks that tuned it was not impressed with the S&S headers. Guess I'll just order some dresser duals, get it dyno'd again, and put these S&S up for sale.

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post #2 of 31 (permalink) Old 11-23-2014, 07:26 PM
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A good 2-1 will give you some good numbers. You can run a ghost pipe if that's the look you like.

2013 FLTRX , 107", 10.5 comp, T-Man 625 Cam, SE 110 Hillside Heads, 58mm S&S Throttle Hog, VP92, 2-1 Patriot SS Exh. PV, SE Heavy Breather, Madstad, 944's , Detach Tour Pac, Sirius Radio
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post #3 of 31 (permalink) Old 11-23-2014, 08:03 PM
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Did you dyno it before you changed out your exhaust?
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post #4 of 31 (permalink) Old 11-23-2014, 08:26 PM Thread Starter
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Quote:
Originally Posted by jack6hd View Post
A good 2-1 will give you some good numbers. You can run a ghost pipe if that's the look you like.
I agree and I'll have to look at some with ghost pipes, but I have to get over the some personal hurdles with the sound of 2-1s.


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Originally Posted by easyrider9809 View Post
Did you dyno it before you changed out your exhaust?
Unfortunately I didn't

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post #5 of 31 (permalink) Old 11-23-2014, 08:41 PM
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CFRs are tough to tune. How much confidence do you have in the person doing the tune?

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post #6 of 31 (permalink) Old 11-23-2014, 09:21 PM Thread Starter
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Originally Posted by Newliachook View Post
CFRs are tough to tune. How much confidence do you have in the person doing the tune?
Both the Service Manager and tuner are real good friends of mine, so my confidence is high.

BTW: Here were the numbers from my last CVO (2010 Ultra running CFRs, V&H dresser duals, and ventilator intake:

95.9 HP and 122.2 Torque.

This is what I was expecting to be around.

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post #7 of 31 (permalink) Old 11-23-2014, 10:12 PM
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What mods have you installed in the bike? Cams?
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post #8 of 31 (permalink) Old 11-23-2014, 10:40 PM
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I'm running second generation CFR's with Fulsac 2-1-2 and TTS on a 12' 103.

#'s are 89HP/110TQ

I would think you would have better #'s.

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post #9 of 31 (permalink) Old 11-24-2014, 12:09 AM
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for reference I have a 2013 RG Custom with VH power duals headers and CFR mufflers, SE heavy breather, SE 255 cams ( I believe those are the cams still on 15 CVOs, they were on previous touring CVOs) and at 5,280 feet elevation in Denver it put down 80 hp 101 tq. The before and after graphs is huge and much smoother, power comes on much sooner and stays on later. Your numbers dont seem too bad for your setup. I do think different headers would get you a few more ponies on the dyno but you may not even feel that when riding so not sure I'de spend the money to swap it out. Also remember every dyno is different so the gain from before the tune and after is the main thing. If you look at the dyno graphs Fuel Moto posts on pre 2015 sharks with stage 1, or stage 2, or even 107 kits you will be amazed. I think their dyno reads a lil happy if you know what I mean. Lastly yes you will leave a few ponies on the table with CFR's but are the best sounding pipes

'13 FLTRX - Big Blue Pearl - 16" Carlini Gangster Apes - V&H Power Dual Headers - CFR's - SE255 cams - SE Billet Cam Plate w/High Flow Oil Pump - SE Billet A/C - SERT - Dyno Tune - Daymakers - LRB Carbon Black Rotors - Progressive Suspension - H-D Vented Lowers - Bitchin Stitchin Custom Seat - Rockford Amp - Infinity 6.5's - GADS
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post #10 of 31 (permalink) Old 11-24-2014, 08:10 AM
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You really should check out the Wild Things Power Cell/ Crusher Mellow exhaust. With that combo im making 110TQ/100 HP with just a mild cam and a tune.
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