• 4 Stroke Husqvarna Motorcycles Made In Italy - About 1989 to 2014
    TE = 4st Enduro & TC = 4st Cross

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    As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

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FMF pipe upgrade question

AllmanFan

Husqvarna
B Class
If I install a new fmf pipe on my all stock te449 will i encounter any problems with the bike? Plan on uncorking and map 3 at a later date. Good old santa is bringing me one and I don't think I will be able to resist waiting that long. Thanks.
 
Any chance of getting moderator approval on this question? Would love to get some feedback from any fellow members who have installed the FMF power core pipe on stock TE. Have heard a few stories of how bike started/ran very poorly without taking other measures. Thank you.
 
If I install a new fmf pipe on my all stock te449 will i encounter any problems with the bike? Plan on uncorking and map 3 at a later date. Good old santa is bringing me one and I don't think I will be able to resist waiting that long. Thanks.
You'll encounter flameouts more than likely. I did the same thing bought pipe installed ran ok but once map 3 was installed wow. I did have a lot of flameouts with just the pipe and no reflash
 
I dont have a 449 but in general you wont damage anything if its just going to be trail use. Remapping will need to be done eventually though, they are very lean to begin with.
 
Map II will run very poor with the FMF, I had to do a considerable amount of tweaking with the PCV and idle speed. Now that it's sorted it runs great. Be prepared to either have map III flashed to your ECU or pick up a power commander.
 
Map II will run very poor with the FMF, I had to do a considerable amount of tweaking with the PCV and idle speed. Now that it's sorted it runs great. Be prepared to either have map III flashed to your ECU or pick up a power commander.
Pardon the ignorance.... Does the power commander do the same thing to the ECU as map 111? How do they differ? Thanks.
 
When you say "pipe" I'll assume you mean the slip on muffler and not the header. If so, you will notice a small increase in power but, as already mentioned, will quite probably experience engine flame out at low rpm when working the throttle off idle in tight riding situations. I've had my bike since '11 and have been happy with the mods I've made. I'm sure others are happy with the choices they've made as well, so they can speak to theirs. For engine performance, the FMF is an excellent start. From there, I highly recommend the simple and extremely effective addition of a JD Tuner. The thing is plug and play, is easy to place under the seat, and, combined with the FMF, transforms the power entirely. Do a TPS reset and adjust the big brass screw (don't remember its name) to eliminate throttle hang, and your good to go. On a side note, a heavier shock spring and revalue of the forks also made a huge difference on this bike.
 
When you say "pipe" I'll assume you mean the slip on muffler and not the header. If so, you will notice a small increase in power but, as already mentioned, will quite probably experience engine flame out at low rpm when working the throttle off idle in tight riding situations. I've had my bike since '11 and have been happy with the mods I've made. I'm sure others are happy with the choices they've made as well, so they can speak to theirs. For engine performance, the FMF is an excellent start. From there, I highly recommend the simple and extremely effective addition of a JD Tuner. The thing is plug and play, is easy to place under the seat, and, combined with the FMF, transforms the power entirely. Do a TPS reset and adjust the big brass screw (don't remember its name) to eliminate throttle hang, and your good to go. On a side note, a heavier shock spring and revalue of the forks also made a huge difference on this bike.
Did you also flash with map 3 or just add the Jd tuner?
 
Did you also flash with map 3 or just add the Jd tuner?

No map 3. When I got my bike and first began to visit this board there was no Tinken/Zipty promoting/selling the myriad parts and services they do. While many here will swear to the benefits of Zipty, I never had the need. FMF slip on, JD Tuner, shock spring, and fork revalve transformed the bike.
 
The FMF silencer allows more exhaust to flow out of the engine, thus allowing you to put more in. By doing so without matching the air fuel mixture with more fuel leans the engine out producing flame outs or otherwise poor performance. Map #3 alone with the FMF silencer provides fair/okay performance. JD tuner and Map#3 provides good/better performance. The powercommander 5 provides performance enhancements both air/fuel and ignition mapping lending performance you expect from your engine and a lot more. It costs more yes, but you get improvements that the JD tuner just cannot offer.
 
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The FMF silencer allows more exhaust to flow out of the engine, thus allowing you to put more in. By doing so without matching the air fuel mixture with more fuel leans the engine out producing flame outs or otherwise poor performance. Map #3 alone with the FMF silencer provides fair/okay performance. JD tuner and Map#3 provides good/better performance. The powercommander 5 provides performance enhancements both air/fuel and ignition mapping lending performance you expect from your engine and a lot more. It costs more yes, but you get improvements that the JD tuner just cannot offer.
so if I go with the map3 and commander with switch will I have the ability to adjust for the different types of ridding we do? We ride quit a bit in the desert but also really enjoy the slower more technical stuff we get up in the mountains. Thanks for the help in understanding how this all works.
 
With the switch you can run 2 maps. I do specifically for sea level and high elevation ie... coast to 12k at Mammoth.
 
With the PowerCommander, not only do you have the ability to switch between two maps (with optional switch -- more $s) on the fly. But you can save your maps to your computer and upload different ones. So you could have a set of low, medium and high altitude maps for off-road. And the same for dual sport with a different AFR. And so on. It's really pretty amazing.
 
With the PowerCommander, not only do you have the ability to switch between two maps (with optional switch -- more $s) on the fly. But you can save your maps to your computer and upload different ones. So you could have a set of low, medium and high altitude maps for off-road. And the same for dual sport with a different AFR. And so on. It's really pretty amazing.
Well I'm sold! Power commander it is. How does one obtain these different maps? And what maps come on the unit when purchased?
 
Well I'm sold! Power commander it is. How does one obtain these different maps? And what maps come on the unit when purchased?

You start with one of the maps available on this site. Then use auto tune to build upon that. Run the bike at different altitudes and save the maps after. Then you will have many different maps for different altitudes. If you are not using the auto tune feature, then you need to find maps that are already built by other people.
 
Also, whatever maps you get are adjustment tables/trims to the map that exists in your ECU. So if the maps for the PCV were based upon Map 3 in the makers bikes ECU, you also should have Map 3 in your ECU. If not you will need to have it flashed or use Autotune to adjust trim to suit. Since PCV is slave to your ECU, that's going to be the starting point for all PCV Maps/Trims.
 
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