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Discussion Starter · #1 ·
I just got a K&N air filter today, i have not installed it yet. i also got my ducks cover coming in, they should be in tomorrow or monday at the latest. Anyway what i wanted to know is there really a big difference in the stock Vs the K&N filter? Has anyone done any testing? I figured before i install i would run the 9 at maybe 3 1/2 - 4rpm in 2nd, 3rd, and 4rth and shoot the coals to her and see what it does. Then come back and put the K&N air filters in and do the same. Then come back and put the ducks air covers on and do it. So what you guys think? Do you think there is a big difference????:dontknow:???
 

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I just got a K&N air filter today, i have not installed it yet. i also got my ducks cover coming in, they should be in tomorrow or monday at the latest. Anyway what i wanted to know is there really a big difference in the stock Vs the K&N filter? Has anyone done any testing? I figured before i install i would run the 9 at maybe 3 1/2 - 4rpm in 2nd, 3rd, and 4rth and shoot the coals to her and see what it does. Then come back and put the K&N air filters in and do the same. Then come back and put the ducks air covers on and do it. So what you guys think? Do you think there is a big difference????:dontknow:???
Your answer is in this thread, post #1, towards the bottom under ducks mod.:bigthumbsup:Frequently asked questions.
 

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Discussion Starter · #3 ·
Hink, where is the thread i dont see it. I searched before i posted and i just looked. i must be searching wrong.
 

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Some where here there was a thread that had a modded motor and when he put on the ducks it picked up like 10 hp. But that was Modded. Don't think a stock motor would do that much change. But it shows just restricted the intake tract is.Oh yeah Hink has it. Make that 8 hp
 

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Some where here there was a thread that had a modded motor and when he put on the ducks it picked up like 10 hp. But that was Modded. Don't think a stock motor would do that much change. But it shows just restricted the intake tract is.
You are incorrect. It was NOT a modded motor. Stock motor, and dyno sheets provided in above reply.
 

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Stock 111
Big Shots PC3 K&N 114
Ducks 121
Did I misread the thread?
 

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Discussion Starter · #8 ·
thanks again Hink.....also i just read the most ask questions and let me ask you something. I got the scorpions on as you know and im about to put the ducks and K&n air filters on. Do i need to get a fuel management system soon??? if so which one is the best to self installed?
 

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thanks again Hink.....also i just read the most ask questions and let me ask you something. I got the scorpions on as you know and im about to put the ducks and K&n air filters on. Do i need to get a fuel management system soon??? if so which one is the best to self installed?
REALLY?? That is the first question answered in that thread... Yes you do. FI2000r is the easiest IMO.
 

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Sorry meant that it was not a total stock bike. My Bad.
 

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Discussion Starter · #13 ·
ok, well shoot i thought i didnt need a fuel management with the scorpions since all i did was cut the dog on pipe. i thought if i change the whole thing i would have to get a fuel management. ok, well thanks again, i guess i need to start shopping on internet for that. :dontknow:
 

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ok, well shoot i thought i didnt need a fuel management with the scorpions since all i did was cut the dog on pipe. i thought if i change the whole thing i would have to get a fuel management. ok, well thanks again, i guess i need to start shopping on internet for that. :dontknow:
Make sure you get the FI2000R! Don't be fooled by one that is cheaper. If it doesn't have a "R" on the end, it is not a plug and play. It must be soldered in place!

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Q: When do I need fuel management?
A: When you change both your pipe, and intake. This includes "Ducks Mod", and modifying the stock exhaust, in any way. Some report that the bike runs better with fuel management, even when completely stock, but you need it when you modify both intakes (not including just K&N filters), and exhaust. You can safely run your bike without fuel management, if you only change one, or the other."
 

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Discussion Starter · #15 ·
i went back an re-read it...sorry my bad i see it says "exhaust modded in ANY way" ok....dam dam dam..lol. thanks Hink. :bigthumbsup:
 

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Discussion Starter · #16 ·
ok Hink, will do and thanks...the weather is nice now, I can still ride for a week or so until the fuel management comes in right???
 

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i have the scoripion tips, duvks mod, gipro, and k&n filters on mine now. i would strongly suggest that you get a fuel management system. when i installed the scoripion tips alone i could tell a difference in how much leaner the bike was. once i installed the PCIII and inserted a custom map, it leveled off the idle and eliminated decel popping and ran strong.

in my opinion the K&N's make no difference when using the stock covers alone. but combined with the ducks mod (and how much of the stock air over has been opened up) you should see a difference in the HP and TQ numbers when on a dyno.
 

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Back when the K&N's came out, either Hal or Lamont dyno tested them and got a 5 hp increase just installing them in the stock boxes. No other mods or additional tuning.
 
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