External Head Breather MPG
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Joined: Oct 2017
Posts: 71
Likes: 13
From: Plymouth, MA
External Head Breather MPG
I'm in the market for an external head breather system for my stock 2014 Electra Glide Police. My understanding is the stock head breather discharges hot air/oil mist into the throttle body inlet. It makes an oily mess inside my air cleaner housing and on my rear exhaust header pipe.
I like the external head breathers that discharge into a catch can. Which after-market vendor supplies the catch can that has an oil level sight gage?
I'm interested in knowing if you re-routed the head breathers then was there any increase in MPG?
I like the external head breathers that discharge into a catch can. Which after-market vendor supplies the catch can that has an oil level sight gage?
I'm interested in knowing if you re-routed the head breathers then was there any increase in MPG?
Tourer
Joined: Dec 2016
Posts: 291
Likes: 128
From: N/A
I noticed no change in my MPG when I installed a breather kit / catch can from DK Custom. However, I'm VERY glad that I no longer have an oily mist blowing back in to my combustion chamber and potentially causing excess carbon to cake up.
Road Captain
Joined: Apr 2011
Posts: 538
Likes: 24
From: Texas
I bought a catch can off Amazon and made my own breather kit. I originally sent the vent down to a small breather filter under the bike but it would get dirty fairly quick. I have drained my catch can twice in about 800 miles and the residue is 99% condensation. My catch can has a sight line along side of it and holds 750ml but i am not going to let it fill up,lol
I'm in the market for an external head breather system for my stock 2014 Electra Glide Police. My understanding is the stock head breather discharges hot air/oil mist into the throttle body inlet. It makes an oily mess inside my air cleaner housing and on my rear exhaust header pipe.
I like the external head breathers that discharge into a catch can. Which after-market vendor supplies the catch can that has an oil level sight gage?
I'm interested in knowing if you re-routed the head breathers then was there any increase in MPG?
I like the external head breathers that discharge into a catch can. Which after-market vendor supplies the catch can that has an oil level sight gage?
I'm interested in knowing if you re-routed the head breathers then was there any increase in MPG?
You can see that even if you chose to just run the line under the bike, venting externally is definitely something you'll want to do.
Here's a pic of our Twin Cam Discrete kit:
Here's a LINK if you'd like to check it out.
Cristy
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Cristy
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Cristy
FREE SHIPPING - ORDERS OF $100 OR MORE - LOWER 48 STATES
www.DKCustom.com
Call: 662-252-8828
Text: 662-420-4891
Email: Support@DKCustomProducts.com
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Seasoned HDF Member
Joined: Nov 2006
Posts: 20,964
Likes: 19,058
From: The Wasteland
I run WWW tires on the front and rear of my Road King Classic. Would venting it under the bike make my tires dirty (dirtier than they already get)? I hate cleaning those damn things as it is.
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Novice
Joined: Dec 2014
Posts: 21
Likes: 5
From: wisconsin
I vent mine under the bike and have only had a bit of condensation at the tip of the hose. I haven't noticed any oil blow by since I've done it. I use to get so much oil in my air cleaner that it would run all over the cam cover and over my rear exhaust pipe. Not exactly sure why it no longer blows out but I'm damn glad I did it.