SKU: 44436106460

FMF - Powercore 4 Hex Muffler (Beta)

Sale price$144.42 Regular price$160.47
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 24 - Aug 29

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Description

FMF - Powercore 4 Hex Muffler (Beta)FMF Powercore 4 Hex Muffler (Beta) The FMF Powercore 4 Hex Muffler is built for Beta riders who want better throttle response and stronger pull without adding excess noise. Its compact hex shaped design uses a multi stage internal core and precision packed materials to improve power through the entire RPM range while keeping sound levels controlled for off road and race environments. Lighter than stock and designed to handle real trail abuse, its a

FMF – Powercore 4 Hex Muffler (Beta)

The FMF Powercore 4 Hex Muffler is built for Beta riders who want better throttle response and stronger pull without adding excess noise. Its compact hex-shaped design uses a multi-stage internal core and precision-packed materials to improve power through the entire RPM range while keeping sound levels controlled for off-road and race environments. Lighter than stock and designed to handle real trail abuse, it’s a practical upgrade for riders who want smoother performance and dependable durability.

Why We Like It

It gives the bike a cleaner, stronger feel without turning the exhaust note into something obnoxious. Power delivery improves everywhere—from slow, technical sections to long uphill pulls—and the build quality holds up well to off-road use. The spark arrestor is already built in, so it’s ready for trail systems and race events that require it.

Why It’ll Work for You

If you want better performance with manageable sound levels, this muffler makes the bike easier to ride. It broadens the power, trims weight compared to stock, and keeps you compliant with USFS sound regulations. It’s a simple bolt-on upgrade that helps the bike respond quicker and pull more consistently without extra tuning.


Key Features

• Meets USFS and FIM World Enduro sound regulations
• Improved power across the entire RPM range
• Multi-stage packing and internal design reduce noise while maintaining performance
• Includes spark arrestor
• Lighter than stock
• Rugged build for off-road durability
• Made in the USA

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 44436106460

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4.9 ★★★★★
Based on 27 reviews
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D
Verified Purchase
Dario Montenegro
Los Angeles, US
★★★★★ 5
Reloj de Calidad
Color: G5885-silver-red
Excelente muy buena Calidad a buen precio lo uso bastante y me preguntan dónde lo compré
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Reviewed in the United States on April 3, 2026
G
Verified Purchase
GIoang Hoang
Carnegie, US
★★★★★ 5
4/5
Color: G5885-silver-red
beautiful
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
O
Verified Purchase
oldguy
Boise, US
★★★★★ 5
Inexpensive, not cheap, with useful added features
Color: A4 - Blue / Black
First impressions: 1. The watch has features unexpected at this price point: a. Stainless case (claimed) and back b. Glass, not plastic, crystal c. Functioning luminosity (duration to be tested) of hands (not seconds) and 5-minute tics d. Day/date display e. Clear setting instructions in english f. Sweep second hand 2. Packaging was not fancy, but effective; watch arrived in perfect shape with no visible defects: Flat cardboard box in cardboard sleeve with embossed logo, fitted foam box liner, plactic film around watch, protective plactic discs on crystal and stainless back. 3. Overnight delivery via Amazon to my front door (much better than USPS) 4. Faux-croc band looks and feels fine for now 5. Setting mechanisms all worked smoothly 6. The black watch is quite handsome, if not elegant, with a simple, understated blue dial and gold markers; the photos in the listing were a faithful representation 7. I measured the case at a fraction of a mm over 39, the max for my small wrists 8. I observed some nits that are to be expected at this price point: a. Second hand alignment is off by a quarter oFirst impressions: 1. The watch has features unexpected at this price point: a. Stainless case and back b. Glass, not plastic, crystal c. Functioning luminosity (duration to be tested) of hands (not seconds) and 5-minute tics d. Day/date display e. Clear setting instructions in english f. Sweep second hand 2. Packaging was not fancy, but effective; watch arrived in perfect shape with no visible defects: Flat cardboard box with embossed logo, fitted foam liner, plactic film around watch, protective plactic discs on crystal and stainless back. 3. Overnight delivery via Amazon to my front door (much better than USPS) 4. Faux-croc band looks fine 5. Setting mechanisms worked smoothly 6. The black watch is quite handsome, if not elegant, with a simple, understated blue dial and gold markers; the photos in the listing were a faithful representation 7. I measured the case at a fraction of a mm over 39, the max for my small wrists 8. I observed some nits to be expected at this price point: a. Second hand alignment is off by a quarter of a second from second marks b. Black case is excessively shiny; probably is not ion-coated and finish may not be very durable, but was preferable to me over the gold, which I am sure will mar easily c. Watch has a snap-on (not screw-on) back and minimal water resistance Bottom line, I seem to have received exactly what was offered, which is a lot for around $30
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2023
J
Verified Purchase
Jimbo
Dallas, US
★★★★★ 5
The watch Is beautiful, keeps time & date well and seems to be made of quality materials
Color: A1 - Blue / Brown
First off I have not had a watch in 20 years since I use my phone for the date and time. I decided to try using one again and love not having to retrieve my phone to check the time. The watch is beautiful and I love the look of the gold with the blue face and brown band. It works great and appears to be of the same quality as the Seiko watches that I use to own. I tested the face and tried to scratch a small area with a sharp object. I would not scratch so it is either glass or a crystal. the metal seems to be of good quality and the band is comfortable and feels like leather. Overall I am happy with it and will update this review if the situation changes.
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Reviewed in the United States on January 12, 2024
D
Verified Purchase
Dennis Stalzer
Pawtucket, US
★★★★★ 4
Nice looking watch with day and date
Color: A5 - Black
This watch has a nice black face and looks like it is high quality considering the price. I guess time will tell how durable it is. The only thing I am not as pleased about is the band which is stiff and is not as comfortable as another watch that has a leather band.
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Reviewed in the United States on January 18, 2026

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