Air Cleaner Mod
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Road Captain
Joined: Feb 2014
Posts: 713
Likes: 12
From: Crowley TX
Air Cleaner Mod
Anyone on here modify the stock backplate on the air cleaner on their bikes for better air flow? All the stage 1 intakes seem to just have a modified backplate and highflow filter. If you have post up some pics.
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
the Evo and TC air cleaner up to 13 can be attacked with a hole saw...drill a bunch of holes in the circumference of the plastic plate.
OUTSIDE the filtered area.
most hi flow air cleaners incorporate a velocity stack, that small air horn makes a huge difference in flow numbers.
so you wouldn;t have that..but you'd have higher than stock flow, and probably about as much air as the motor can demand
mike
OUTSIDE the filtered area.
most hi flow air cleaners incorporate a velocity stack, that small air horn makes a huge difference in flow numbers.
so you wouldn;t have that..but you'd have higher than stock flow, and probably about as much air as the motor can demand
mike
Road Captain
Joined: Oct 2010
Posts: 644
Likes: 31
From: Central Texas
Build your own or if you want to use stock cover then cut down back like mine in pick. Ran on my 08 like that for years.
https://www.hdforums.com/forum/showp...postcount=1055
Clif
https://www.hdforums.com/forum/showp...postcount=1055
Clif
Last edited by Duc; Mar 13, 2014 at 10:34 PM.
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Road Captain
Joined: Feb 2014
Posts: 713
Likes: 12
From: Crowley TX
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Road Captain
Joined: Oct 2010
Posts: 644
Likes: 31
From: Central Texas
I have xpipe, gutted muffs (fullsac cores), & filter mod so can't say filter mod is why I have power gain.
I can tell you HD's are lean to begin with so if you start tinkering and I personally think period you need to map\tune bike IMO.
Clif
I can tell you HD's are lean to begin with so if you start tinkering and I personally think period you need to map\tune bike IMO.
Clif
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