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FMF Powercore 4 Complete Race Exhaust Stainless Hi-Flo Header
FMF Powercore 4 Complete Race Exhaust Stainless Hi-Flo Header

$206.99 - $233.99
10% Off - Save up to $26.00
4.76 5 59
Rating: 4.8 out of 5 stars

Item #FMF001E

59 Reviews

4.8 out of 5 stars
  •   48 reviews
  •   9 reviews
  •   1 reviews
  •   1 reviews
  •   0 reviews

All Reviews

Dirtrider

Verified Purchaser
27 days ago Chesapeake
5 out of 5 stars
Nice sound

Nice improvement to my son’s crf100. Extremely light weight, easy to install, and gives the bike a much improved sound over stock.

Mike P

Verified Purchaser
4 months 14 days ago Northern Wisconsin
5 out of 5 stars
Sounds great

Great exhaust really added some snort to the Honda 80

William

Verified Purchaser
Over 5 months ago Marietta GA
5 out of 5 stars
Fmf power core for xr100r

Sounds good easy to install pipes turn a cool bronze color

Phattbob

Verified Purchaser
Over 7 months ago Hollister ca
5 out of 5 stars
That's FMF !

Added this gem to a 143cc big bore kit on a KLX110.Not only does it sound bitchin but the performance is incredible!There's a reason they have been #1 for so long !

Claytondg

Verified Purchaser
Over 8 months ago Hilton Head sc
5 out of 5 stars
Crf80f

Made a really big difference in the power definitely helped out a lot worth every penny sounds good to

Dirt slayer

Verified Purchaser
Over 8 months ago Otis OR
5 out of 5 stars
Just what the little thumper needed.

Gave it more power!

JH11

Verified Purchaser
Over 9 months ago Philadelphia, PA
4 out of 5 stars
Simple easy and clean!

Perfect for my pit bike took 15 minutes to put on

King P

Over 9 months ago
3 out of 5 stars
Help

Will this fit a 1999 Yamaha worrior 350 and if so will it need to be re-jeted

Firefam

Verified Purchaser
Over 10 months ago Reno Nevada
5 out of 5 stars
FMF Exhaust

I bought this FMF exhaust for my sons XR 100
I'm super impressed with the power and sound change. 100%

2manytoys

Verified Purchaser
Over 11 months ago Lubbock tx
5 out of 5 stars
Great

I bough this a month ago for a 2013 klx 110 perfect fit great bottom end power boost and great sound

105 Questions

  • Answered:   98
  • Not Yet:   7

Question asked by AJ Rittenhouse

Question: Does this fit on the left side of a 2004 ttr 125 LE
Question asked 6 days 10 hours ago
Question answered by robert
User's contributor status: Top 10
Question answered 6 days 10 hours ago
Answer: This will route in the stock location of the bike, it will not be able to mount to the opposite side as it originally did.

Question asked by Shedmagnet

Question: Is this the se bolt pattern as my crf100 Honda 4 stroke
Question asked 1 month 20 days ago
Question answered by Michael
User's contributor status: Top 10
Question answered 1 month 20 days ago
Answer: Not sure what the ask is here. Please reach out to us directly for more assistance on what you are needing. Thanks!

Question asked by Kiwiracer

Question: What is the difference between the race powercore 4 and the regular powercore 4 exhausts
Question asked 2 months 3 days ago
Question answered by robert
User's contributor status: Top 10
Question answered 2 months 3 days ago
Answer: The difference will be the spark arrestor. The race model will not include it and the standard model will have a forestry approved spark arrestor installed.

Question asked by Moon

Question: What is the difference between fmf powercore 4 complete RACE exhaust and the fmf powercore complete exhaust?
Question asked 2 months 4 days ago
Question answered by robert
User's contributor status: Top 10
Question answered 2 months 4 days ago
Answer: Yes, the main difference will be the spark arrestor. The race model will not have it include and the standard model will have one installed. If you are doing forest riding you will want the spark arrestor.

Question asked by K2C1

Question: I have a 2020 crf 250f is there any exhaust system available?
Question asked 2 months 6 days ago
Question answered by robert
User's contributor status: Top 10
Question answered 2 months 6 days ago
Answer: This is not an exact fit for you 2020 crf250f. We are currently waiting to get an exhaust available for you bike.

Question asked by Jersey John

Question: Do I need to re-jet my carb if I put this on my crf80?
Question asked Over 7 months ago
Question answered by Chowe
User's contributor status: Top 25
Question answered Over 7 months ago
Answer: Generally speaking you will want to rejet your carb to get the optimal performance gains, however that will need to be determined after installing the exhaust and riding the bike.

Question asked by Justin

Question: Will this fit my 2005 Polaris scrambler 4x4
Question asked Over 8 months ago
Question answered by Chowe
User's contributor status: Top 25
Question answered Over 8 months ago
Answer: No it will not. You will need to profile your vehicle on our website to get the correct fitment. If you have any questions give us a call at 1-888-676-8853.

Question asked by SavageCabbage

Question: Will this fit a 2013 klx 110L
Question asked Over 8 months ago
Question answered by robert
User's contributor status: Top 10
Question answered Over 8 months ago
Answer: Yes, this will work with your 2013 klx 110L.

Question asked by Rokvcd890

Question: Will this work on the 190cc pister pro
Question asked Over 9 months ago
Question answered by Chowe
User's contributor status: Top 25
Question answered Over 9 months ago
Answer: Unfortunately it will not work on your pitster pro, they are bike specific and the pitster is not an option. If you have any questions give us a call at 1-888-676-8853.

Question asked by Justinmurray1903

Question: Does it fit a 2007 yamaha ttr 125E
Question asked Over 10 months ago
Question answered by BillyEXT3407
User's contributor status: Top 25
Question answered Over 10 months ago
Answer: Yes, it will fit as long as the 2007 TTR125 has been profiled correctly on Motosport.com.
1 - 10 of 105

Fitment

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# Part Numbers

Product Variant Manufacturer Part #
Aluminum 042002
Aluminum 044136
Aluminum 041014
Aluminum 041016
Aluminum 040083

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.