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Picked this up for my daughters CRF110. Woke the bike up a bit and gives it a sweet exhaust tone, plus looks great with a perfect fit. Stock heat shield bolts right on. Such an easy install!
FMF
FMF Powercore 4 Complete Exhaust Stainless Hi-Flo Header
FMF Powercore 4 Complete Exhaust Stainless Hi-Flo Header
Description
Item #FMF001D
11 Reviews
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All Reviews
4 months 24 days ago
WA
Sweet sound
Over 7 months ago
New Hampshire
Amazing pipe
It’s a great exhaust. Makes the bike sound a lot better than stock and will rumble everything around you. I ride my trails every 2 weeks or so and my neighbors across my neighborhood can here it. I just have one question, what size jet do I need? It’s a 2018 crf125f and running lean
Over 10 months ago
Molalla Or
Perfect addition to the bike
I bought his for my wife’s TTR125 and I her or I couldn’t be happier. Easy to install and changed the tone of the bike without making it obnoxious. Good pipe!
2 years 11 months ago
Millerstown, pa
Great little exhaust.
The exhaust was a direct fit to our 2003 Ttr 90. Installed in about 15 minutes. The only downfall we found was we needed a different jet for where we live. Increased the performance from the exhaust.
Over 3 years ago
Colorado Springs, CO, USA
Amazing amount of power
Not only does this exhaust system sound nice, it added an amazing amount of power to my son's bike. He has a Yamaha ttr-50 and I wanted to give it a little more power on the hills. Well it accomplished this and more. Added a ton of torque in the low end. He has not gotten stuck on a hill since. Also very easy to install. My 4 year old son practically did it himself, with just a little guidance from me. Highly recommended!
Over 3 years ago
Excellent purchase
The product has lived up to it's description. Very happy with it and the delivery came before expected.
Over 4 years ago
Mountain Home, AR, USA
Good pipe.
My sons bike is used for both trail riding and racing, so this is a good pipe for both since it has the spark arrester. Easy to put on and the primary heat shield bolted right up.
Over 4 years ago
Flint, MI, USA
Fmf power core 4
I ordered the fmf power core 4 for my 02 yamaha ttr125l and fit great and sounds awesome. Definitely recommend motorsport.com to everyone there customer service is hands down helped me with all questions before I ordered thanks a lot
Over 5 years ago
Over 5 years ago
15 Questions
Jake85
Q: My son just bought a klx 110 with the power core 4 already on it. The heat shield is missing. Is this a fmf part or or does the factory shield fit?
3 months 16 days ago
Paul
Top 10
3 months 16 days ago
A: This FMF Powercore 4 Complete Exhaust Stainless Hi-Flo Header does not fit the KLX110.
To help us to find parts to fit your KLX110, we will need to know the model year, and whether it is the standard model with smaller wheels, or the "L" model with larger wheels.
To help us to find parts to fit your KLX110, we will need to know the model year, and whether it is the standard model with smaller wheels, or the "L" model with larger wheels.
Men123556
Q: Can someone Give me a lesson about jetting? I have a 2018 crf125f and it’s running lean. Does anybody know what size jet I would need to balance it out? Thanks
Over 7 months ago
JerryGearhead
Top 25
Over 7 months ago
A: You Should contact JD Jetting their Phone Number is 360-350-0557.
Jr22
Q: How loud is fmf on a 4 stroke ?
Over 7 months ago
JamesGearhead
Top 10
Over 7 months ago
A: The engine noise will vary depending on the make/model. There are several types of FMF pipes, this is just one of the many.
Honda
Q: Will this make my crf125f faster and improve the performance of my bike
Over 8 months ago
MattGearhead
Top 100
Over 8 months ago
A: This exhaust will improve the performance of your bike. However, you may need to change the stock jetting to maximize performance.
Yamaha
Q: What is louder fmf powercore 4 or pro circuit t4
Over 9 months ago
TylerGearhead
Top 25
Over 9 months ago
A: There isn't a decibel level test comparing both exhaust. Both will create a nice thump compared to stock!
Boii
Q: My exhaust is on the left but the picture shows it on the right side. Will it work? What is louder fmf or pro circuit?
Over 9 months ago
TylerGearhead
Top 25
Over 9 months ago
A: Both exhaust systems are louder than stock. If you profile your specific machine, you will be sent the exhaust that is a direct replacement for your stock exhaust.
Joey
Q: My 2018 ttr 125 had the exhaust on the left side but the picture shows it on right. So I don't know if it will work. Also what is louder fmf or pro circuit?
Over 9 months ago
TiaGearhead
Top 25
Over 9 months ago
A: The photo is just for reference, this will indeed fit your 2018 TTR125. As far as sound goes its going to depend on which model FMF and Pro Circuit you are comparing.
Josh
Q: What size is the header?
1 year 1 month ago
robert
Top 10 Contributor
1 year 1 month ago
A: header sizes and dimensions will depend on the model of bike selected.
morrie
Q: Would one of these bolt on to my sons 2015 ttr50 ?
Over 3 years ago
CSMoto
A: Yes. These are engineered to fit on the TTR-50s. I purchased one for my son's and it works great. Easy to install, my 4 year old son practically installed it himself.
MotoSportExpert
MotoSport Staff
Expert
Over 3 years ago
A: Yes the FMF Powercore 4 Spark Arrestor Complete Exhaust With Stainless Hi-Flo Header fits your 2015 Yamaha TTR50. Just be sure to correctly select the Year/Make/Model of your bike before ordering so we can be sure to send you the correct exhaust for your bike. Also, feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
Fitment
See all bikes that this part fits...
# Part Numbers
| Product Variant | Manufacturer Part # |
|---|---|
| Aluminum | 041502 |
| Aluminum | 040071 |
| Aluminum | 040011 |
| Aluminum | 041179 |
| Aluminum | 040070 |
| Aluminum | 044157 |
| Aluminum | 044273 |
| Aluminum | 041534 |
California Proposition 65
WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. For more information, go to www.P65Warnings.ca.gov.
