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Intake and Exhaust Intake and Exhaust Systems for Road Glides

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post #1 of 6 (permalink) Old 12-20-2018, 12:25 PM Thread Starter
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Vortex Cones

Does anyone have any experience having used these cones?
I'm looking for a quieter exhaust now that true Duals were installed using my CFR slip-ons.
The exhaust note has totally changed from what I believe is the best sounding exhaust out there
(CFR slip ons with the stock head pipe)

Anyways, I called CFR directly and they said my only option to quiet the exhaust was to install these Cones ( $99 each from Jegs Performance)

Anyone try them? Are they worth the $200 ?
Im am currently trying to sell the CFR's but at least now I have this option if I decide to keep them

thanks !
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post #2 of 6 (permalink) Old 12-20-2018, 12:44 PM
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If you have a 4 inch opening that you can slip a baffle into, look into the Rex spiral header baffles.


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post #3 of 6 (permalink) Old 12-20-2018, 01:21 PM Thread Starter
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Quote:
Originally Posted by Thermodyne View Post
If you have a 4 inch opening that you can slip a baffle into, look into the Rex spiral header baffles.

Thank you Thermal.
It looks like these are attached with one bolt drilled thru the muffler's end?


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post #4 of 6 (permalink) Old 12-20-2018, 01:38 PM
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Quote:
Originally Posted by Still Grumpy View Post
Thank you Thermal.
It looks like these are attached with one bolt drilled thru the muffler's end?
Yep, one bolt through the side. I used them back when I was jet boating. They were much less restrictive than the other stuff that was around back then.


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Last edited by Thermodyne; 12-20-2018 at 04:15 PM.
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post #5 of 6 (permalink) Old 12-20-2018, 04:00 PM
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Quote:
Originally Posted by Thermodyne View Post
Yep, on bolt through the side. I used them back when I was jet boating. They were much less restrictive than the other stuff that was around back then.
wow. i've never seen those.

looks like they would definitely cancel any reversion problems

how do the effect scavenging?

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post #6 of 6 (permalink) Old 12-20-2018, 04:27 PM
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wow. i've never seen those.

looks like they would definitely cancel any reversion problems

how do the effect scavenging?
No idea. When I built those boat motors I used mule headers for the dyno work. And, paying by the hour, I didn't spend a lot of time on the baffles. It was all about getting the oddball carb to work. On the mule headers, they cost a few horses on top, but added some in the low to mid range. But they were considerably better than the the other units. They all restricted the opening down to less than 3 inches.

I ended up just cutting one in half, and putting a piece in each header. I doubt it would have past a sound test, but all the DNR cops ever did was look in the ends with a flash light. If they saw a baffle, they let you go.
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