Stage 1 air question
Stage 1 air question
I have a quick question for someone knowledgeable on the subject.
I have a 08 FXDBi that I bought used. The previous owner had V&H big radius 2 into 2 pipes put on and I got a SERT when I bought the bike so I assume it's been tuned to match the pipes. I have not done any engine mods since I've owned it so I've not used the SERT.
What I'm not sure of is if any upgrade had been done to the air filter and what changes would need t be made to the tune if I changed the filter. I took the cover off the filter and this is what's under it:
Can anyone tell if that's the stock filter or if it's a upgrade?
This is the filter I would like to install:
If I install the new filter what else will I need to do in order to get it running right? Does it need a retune? Knowing I already have a SERT for the bike, what would a tune typically cost to just adjust for the air?
Thanks for the help
I have a 08 FXDBi that I bought used. The previous owner had V&H big radius 2 into 2 pipes put on and I got a SERT when I bought the bike so I assume it's been tuned to match the pipes. I have not done any engine mods since I've owned it so I've not used the SERT.
What I'm not sure of is if any upgrade had been done to the air filter and what changes would need t be made to the tune if I changed the filter. I took the cover off the filter and this is what's under it:
Can anyone tell if that's the stock filter or if it's a upgrade?
This is the filter I would like to install:
If I install the new filter what else will I need to do in order to get it running right? Does it need a retune? Knowing I already have a SERT for the bike, what would a tune typically cost to just adjust for the air?
Thanks for the help
Road Warrior
Joined: Apr 2010
Posts: 1,739
Likes: 10
From: Suffolk, England
As far as I can tell, that is the stock air cleaner and filter. Which is odd if the pipes have been swapped out and tuning done, normally you'd swap out the air cleaner too, so finishing the stage-1.
Normally it doesn't matter much if you swap between air cleaners as long as they are after-market ones as they all flow better than stock. In your case though I think you are going to have to either put the canned stage-1 map on or get it dyno tuned.
Normally it doesn't matter much if you swap between air cleaners as long as they are after-market ones as they all flow better than stock. In your case though I think you are going to have to either put the canned stage-1 map on or get it dyno tuned.
Ultimate HDF Member
Joined: Feb 2009
Posts: 5,132
Likes: 228
From: Garland, TX
I have been told that if you put a k&n in the stock filter housing using the stock backing plate, you don't have to get the bike tuned. But if you open up the intake by using a screamin eagle backing plate or an aftermarket intake, then a tune/fuel programmer is recommended.
Road Master
Joined: May 2012
Posts: 1,140
Likes: 6
From: Arkansas
I have been told that if you put a k&n in the stock filter housing using the stock backing plate, you don't have to get the bike tuned. But if you open up the intake by using a screamin eagle backing plate or an aftermarket intake, then a tune/fuel programmer is recommended.
Road Captain
Joined: Aug 2012
Posts: 736
Likes: 1
From: Iowa
I'm running a K&N on my stock ham can intake. It definitely flows more air regardless of the intake. Even more so if you drill some holes in the back plate of the breather cover. Poor man's screaming eagle. I run this as part of my stage two.
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Tourer
Joined: Oct 2012
Posts: 284
Likes: 0
From: Northeast
If that pic you posted is of what is on your bike then that is factory backing plate (black part) with the factory chrome cover.
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Road Warrior
Joined: Jul 2012
Posts: 1,566
Likes: 55
From: Londonderry, NH
You should be able to see what cal is loaded to the SERT. If its not already Stage 1 (probably is or why buy the SERT) then load the Stage 1 cal. and you should be good to go.
Just adding pipes doesn't usually require a re-cal...but if he put the SERT in he must have loaded the Stage 1 anyway. Stock bikes are just too lean and some do a stage 1 cal without any mods just to richen the mixture a bit.
That's a stock air filter and backing plate. The K&N filter you listed or any similar set-up (Screaming Eagle, Arlen Ness, etc.) will complete Stage 1.
You should be able to see what cal is loaded to the SERT. If its not already Stage 1 (probably is or why buy the SERT) then load the Stage 1 cal. and you should be good to go.
Just adding pipes doesn't usually require a re-cal...but if he put the SERT in he must have loaded the Stage 1 anyway. Stock bikes are just too lean and some do a stage 1 cal without any mods just to richen the mixture a bit.
You should be able to see what cal is loaded to the SERT. If its not already Stage 1 (probably is or why buy the SERT) then load the Stage 1 cal. and you should be good to go.
Just adding pipes doesn't usually require a re-cal...but if he put the SERT in he must have loaded the Stage 1 anyway. Stock bikes are just too lean and some do a stage 1 cal without any mods just to richen the mixture a bit.
So, am i probably already setup for stage 1 pipes and air and changing the filter to a different stage 1 air setup wont matter much in regards to how its tuned?