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FMF Powercore 4 Slip-On Exhaust - 4-Stroke
FMF Powercore 4 Slip-On Exhaust - 4-Stroke

$ 197.99 - $ 314.99
10% Off - Save up to $35.00

Select your bike to see if this exhaust fits
Item #FMF001B

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126 Reviews
4.9 out of 5 stars
5 Star   111 4 Star   14 3 Star   0 2 Star   0 1 Star   1
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All Reviews
Verified Purchaser
Portland TN
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Just great product

I bought a couple weeks ago and loved it since. Increase in power.

Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Great!!

It was easy to put on my 400ex and it sounds great!

Verified Purchaser
Evansville Indiana
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Slip on pipe

I bought this item a few weeks ago an im very jappy with the sound an performance from the pipe. Thanks moto

danville VA
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Good muffler

I love this muffler it increased horse power a lot

Verified Purchaser
New jersey
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Great product

Looks great. Sounds great. Easy install and worth every bit of the money

Verified Purchaser
Montana
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Easy install. Great upgrade

Affordable power upgrade. Quality product.

Verified Purchaser
Willow creek Ca
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Great sound

Super easy install and a great sound ! Fits my 2005 400 exc perfect

Verified Purchaser
west by god Virginia
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Great product !

perfect fit and function and lets not forget why it was purchased great sound and performance !!!!

Verified Purchaser
Tucson, AZ
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
Easy Install

I spent 45 minutes watch videos on how to install and it only took me about 10 minutes to actually install the pipe. Very simple process. Sounds great.....

Verified Purchaser
Fort Worth Texas.
Durability 5/5 Ease of Installation 5/5 Performance 5/5 Power 5/5 Style 5/5
FMF 4 stroke exhaust

It finally went on sale! Worth wait!

See 10 More Reviews
237 Questions
Answered:   229
Not Yet:   8
Alex
Q: Does this fit a Yfz 450 2015?
5 days 21 hours ago
Michael
Top 10
5 days 21 hours ago
A: This does not fit.
Honda rider7
Q: Will this fit my 2005 Honda crf 250X
21 days ago
Trevor Gearhead
Top 25
21 days ago
A: Yes. Profile your machine (year, make and model) in to our website to ensure proper fitment.
Old sshool
Q: Has anyone tried it out on the new raptor 700?
23 days ago
Trevor Gearhead
Top 25
23 days ago
A: Haven't heard anything specific about the combo. I would advise getting on some forums, reading reviews and watching some videos!
DanF
Q: Will this interfere with the stock rear turn signals?
26 days ago
robert
Top 10
26 days ago
A: This will mount to the original mounting location on the bike with no modification required to install.
Treekster
Q: Do I need a spark arrester ?  California. 
27 days ago
Dan Gearhead
Top 25
27 days ago
A: The FMF Powercore 4 Slip-On Exhaust includes a removable (most models) spark arrestor. We absolutely encourage the use of the spark arrestor anywhere there is a fire hazard. All California State/OHV and National Park land requires a spark arrestor.
TiaGearhead
Top 25
27 days ago
A: if you are trail riding you are required to have a spark arrestor.
Zbestusa
Q: Is this US Forestry Approved
28 days ago
TiaGearhead
Top 25
28 days ago
A: This does have a spark arrestor and an optional quiet insert. But you will need to check your local laws to make sure it is approved for your state.
Ramonito
Q: Will it fit for my Serow XT225 2007?
29 days ago
Trevor Gearhead
Top 25
29 days ago
A: This will not fit a 2007 Yamaha XT225
Team green
Q: Will it fit on my KLX 140
1 month 2 days ago
JerryGearhead
Top 100
1 month 2 days ago
A: Yes it will.
BraxtonKeeler
Q: Since this is a slip on will it work with a fmf megabomb?? 
1 month 7 days ago
Dan Gearhead
Top 25
1 month 7 days ago
A: Yes, this slip-on will work with a FMF Megabomb header.
Gabrielle
Q: Will this fit my 2018 KLX 150L?
1 month 14 days ago
robert
Top 10
1 month 14 days ago
A: This will work for a 2018 KLX 140L.
1 - 10 of 237
Fitment

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See Fitments
# Part Numbers
Product Variant Manufacturer Part #
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043095
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041269
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041025
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 045233
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041048
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041284
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041273
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041274
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041377
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041004
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041036
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041276
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041346
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043006
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043012
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043010
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 042148
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 042161
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 042246
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 042000
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043011
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 045135
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 045134
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 045011
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 042122
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 042123
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043210
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 045033
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044263
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044101
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044016
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044022
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044295
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043140
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043136
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043220
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 045133
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041327
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044015
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044215
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044436
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041020
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041021
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041022
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041023
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041425
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044313
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044300
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044224
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044013
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044228
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044014
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044220
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044222
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 040005
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041032
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041244
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043024
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044021
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 045010
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044141
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044312
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 041364
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 042318
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 042319
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 043284
FMF Powercore 4 Slip-On Exhaust - 4-Stroke 044110
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.