FMF Powercore 4 Slip-On Exhaust - 4-Stroke

$199.99 - $349.99
$179.99 - $296.99
4.90 5 52
4.90 out of 5 stars
Fitment Expert:
 
FMF Powercore 4 Slip-On Exhaust - 4-Stroke
FMF Powercore 4 Slip-On Exhaust - 4-Stroke
  • Description
  • Reviews (52)
  • Q&A (142)
  • Fitment

When designing the PowerCore 4, FMF looked at their top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.

  • Overall increase in power and torque.
  • Durable stainless steel and aluminum construction.
  • Space Age internal packing material for maximum longevity.
  • Hi-Flo modular end cap.
  • Internal shape of core uses Hi-Flo technology.
  • Enhanced sonic evacuation provides for higher flow and increased power.
  • Includes removable (most models) spark arrestor.
  • Optional 96dB quiet insert available (sold separately).

Note: For closed course competition use ONLY. Not intended for street use.

4.9 out of 5 stars (52)
4.9 out of 5 stars
5 star   64
4 star   6
3 star 0
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1-10 of 52
Overall 5 out of 5 stars
Durability
Ease of Installation
Performance
Power
Style
Location: Lebanon nj
Brmwvu919
Crf450

Looks and sounds great what else can I say. Will buy the header very soon to complete the exhaust.

Overall 5 out of 5 stars
Durability
Ease of Installation
Performance
Power
Style
Verified Purchaser
Location: Hemet, CA, USA
mikey
Power pipe

I noticed the power right away, after I tuned my carb a half turn

Overall 5 out of 5 stars
Durability
Ease of Installation
Performance
Power
Style
Location: Fulton,
Mitch
FMF Powercore 4

Very easy installation . Quickest bolt on application to give a noticeable gain in torque and a smoother power curve to give it that low end pull. Can't go wrong with flying machine factory!

Overall 5 out of 5 stars
Durability
Ease of Installation
Performance
Power
Style
Location: Paris, MO 65275, USA
jessem
Sounds great

Sound great easy to put in gave me a little bit more power

Overall 5 out of 5 stars
Durability
Ease of Installation
Performance
Power
Style
Verified Purchaser
Location: Murphysboro, IL 62966, USA
Kells
Amazing Product

This slip on is awesome. Gave quite a bit more horsepower and torque in the higher rpms. Durable as well. I love it. When installing it, it didn't exactly "slip-on" but it went on pretty easy. Just had to wiggle it to get it to slide on. I got it because I was wanting to get something aftermarket like the exhaust, plus I was tired of looking at my ridiculously long stock exhaust. Glad I got it!

Overall 5 out of 5 stars
Durability
Ease of Installation
Performance
Power
Style
Location: Fuquay Varina, NC, USA
Ryan
Sound

This dirt bike exhaust is just throaty as it can get and it comes with a installed spark arrestor so you can hit the trails with it, i have noticed some really big differences, it seems more responsive like it has the power to do anything, with that stock exhaust the crf has sounds like a baby with this monster on it its like a monster. its not to expensive either so it wont break your budget and its definitely worth the money too.

Overall 5 out of 5 stars
Durability
Ease of Installation
Performance
Power
Style
Verified Purchaser
Location: Ohio
Shep450
Suz 450

Awesome exhaust!! Easy to install and sounds great!!

Overall 5 out of 5 stars
Durability
Ease of Installation
Performance
Power
Style
Verified Purchaser
Location: Perry, KS 66073, USA
russ
More power to ya

made my 2008 wr250f sound and run like a dirt bike should had to change the main jet up to a 172 and a couple other small things but it runs a lot better than it did before.

Overall 5 out of 5 stars
Durability
Ease of Installation
Performance
Power
Style
Verified Purchaser
Location: PA
Rider336
Nice

Looks and sounds great.

Overall 5 out of 5 stars
Durability
Ease of Installation
Performance
Power
Style
Location: Hilton New York
Capizzi3
FMF Powercore 4

This pipe is the best pipe FMF offers at a price that wont break your bank! Taking off the original stock pipe and putting this pipe on, I felt a HUGE improvement in response and in power/torque on the back end. I havent been able to go full speed with it on yet but It feels like my bike is going faster with it on, I'd say it increases around 5 mph faster. This pipe also has amazing sound, it makes the bike sound tougher and louder! If your stuck between two pipes dont stress and choose this one you wont regret it trust me!

Powercore 4 On My 2008 Honda CRF150F
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Total Questions (142)
Questions with answers:
  142
Questions without answers:
0
Lindsey Location: Texas
1-10 of 142
Corn66 9 days 1 hour ago Location: Valley Center CA.
Will the FMF powerbomb header fit this exhaust?
If I buy a FMF powerbomb header will it fit on my Kx 250f and will it fit on this exhaust
Expert MotoSport Staff
3 days 6 hours ago
MotoSportExpert
Yes. 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. FMF headers, whether it be the PowerBomb or the MegaBomb, are fitted to match an FMF series muffler.
*We do not recommend or guarantee you try to match it to a stock muffler..
Lindsey 16 days ago Location: Texas
Muffler packing?
Will all fmf pipes come already packed or do we need to buy packing seperately?
MotoSport Staff Expert
16 days ago
MotoSportExpert
All mufflers at MotoSport.com will come pre-packed and ready to go.
Ktm450 1 month 29 days ago Location: Scotland, UK
Hi there I was just wanting to guarantee that this slip on exhaust will definitely my 2003 ktm 450exc. As I Live in UK and dont want to have to return?
Expert MotoSport Staff
1 month 29 days ago
MotoSportExpert
Yes this FMF Powercore 4 Slip-On Exhaust (045011) will fit your 2003 KTM 450EXC. 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.
Quadrider2 2 months 11 days ago
Will this fit my 2009 raptor 350 yamaha??
MotoSport Staff Expert
2 months 6 days ago
MotoSportExpert
Yes the FMF Powercore 4 Slip-On Exhaust fits your 2009 Yamaha RAPTOR 350. Just be sure to correctly select the Year/Make/Model of your ATV before ordering so we can be sure to send you the correct exhaust for your ATV. Also, feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
CBM021 2 months 12 days ago
Would this be good for an off-road utility ATV?
Expert MotoSport Staff
2 months 11 days ago
MotoSportExpert
Yes FMF does offer the FMF Powercore 4 Slip-On Exhaust for some utility models and it works great. Feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
RICHK 2 months 23 days ago
Will it fit my Can Am DS250 2014?
MotoSport Staff Expert
2 months 23 days ago
MotoSportExpert
No sorry, FMF does not offer the FMF Powercore 4 Slip-On Exhaust to fit your 2014 Can Am DS250.
hollywood 3 months 4 days ago Location: United States
Will this fit my 1999 honda 300ex?
Expert MotoSport Staff
3 months 4 days ago
MotoSportExpert
Please contact one of our sales professionals to inquire about special orders and availability.
Dirt Bike / ATV: 1-888-676-8853
shaunbrower 3 months 5 days ago Location: nj
Will this fit my 2002 wolverine 350?
MotoSport Staff Expert
3 months 4 days ago
MotoSportExpert
Yes. Just be sure to correctly select the Year/Make/Model of your ATV before ordering so we can be sure to send you the correct exhaust for your ATV. Also, feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
BOSS 3 months 8 days ago
Will this fit my 2005 suzuki 125l?
Expert MotoSport Staff
3 months 8 days ago
MotoSportExpert
Yes. 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.
Ritchie 4 months 7 days ago Location: Australia
Can I get this in a full system exhaust?
if I can get this in a full system will it fit a Ttr230 2009 and price.
MotoSport Staff Expert
4 months 7 days ago
MotoSportExpert
Sorry the FMF Powercore 4 does not come as a full system for your 2009 Yamaha TTR230.
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