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Author Topic: Lost hp with HD Heavy Breather  (Read 1927 times)

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skippy

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Lost hp with HD Heavy Breather
« on: June 02, 2007, 10:40:34 PM »
Had my bike at the shop this week for some upgrades Installed the heavy breather from HD and LOST 6 hp on the dyno the turner said they have seen this before so went back to the original set up and a K&N filter.... 
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dsmbagger

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Re: Lost hp with HD Heavy Breather
« Reply #1 on: June 07, 2007, 10:53:07 PM »
Very interesting...Looks like it would be decent flowing. I guess maybe  the right angle or shape of filter had something to do with it. Did they retune for the filter change or just install and make some runs>???Just curios as i am putting a bike together using one but will go wit the doherty if its no good.
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skippy

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Re: Lost hp with HD Heavy Breather
« Reply #2 on: June 08, 2007, 05:21:36 PM »
Turner said it caused to much turbulance , retuned the bike with K&N filter and it did great 104hp 118tq  this guy knows his ----  ask Chip
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Johnny

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Re: Lost hp with HD Heavy Breather
« Reply #3 on: June 09, 2007, 02:24:07 PM »
Not good!  What kind of bike do you have?  Which motor & what mod's have you made?  Was the change just the air filter or the whole stage 1 kit?  Thanks for the info!!
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skippy

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Re: Lost hp with HD Heavy Breather
« Reply #4 on: June 09, 2007, 09:15:27 PM »
 jOHNNY  IT IS AN 07 SPRINGER WITH SERT V&HPRO PIPE AND K&N FILTER
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