FMF Dirt Bike 4 Stroke Mufflers
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- Qty in Cart
- Quantity
- Price
- Subtotal
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FMF Powercore 4 Muffler 041274
FMF
$399.99The FMF Powercore 4 Muffler delivers measurable gains across your entire power curve—horsepower and torque improvements that translate to real-world performance whether you're on the track or trail. Built with lightweight aluminum and stainless steel...18210663- SKU:
- 18210663
- Availability:
- Ships Same Business Day
- Weight:
- 6.38 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
$399.99 -
FMF Powercore 4 Muffler 042123
FMF
$399.99The FMF Powercore 4 Muffler delivers measurable horsepower and torque gains across the entire power band, giving you usable performance whether you're trail riding, sport touring, or pushing hard on the track. Its lightweight aluminum construction paired...18210672- SKU:
- 18210672
- Availability:
- Ships Same Business Day
- Weight:
- 6.19 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
$399.99 -
FMF Q4 Muffler 044195
FMF
$449.99If you're running serious off-road miles, you know that a poorly designed muffler will either choke your engine's potential or destroy your hearing—sometimes both. The FMF Q4 delivers championship-level sound suppression without sacrificing the power...18210676- SKU:
- 18210676
- Availability:
- Ships Same Business Day
- Weight:
- 7.44 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BASE COLOR:
- SILVER
- END CAP STYLE:
- CONICAL
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- MODEL:
- Q4
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$449.99 -
FMF Powercore 4 Muffler 044220
FMF
$399.99The FMF Powercore 4 Muffler delivers measurable horsepower and torque gains across your entire power curve without sacrificing durability or ride-ability. Whether you're hammering a track or cruising trails, this exhaust upgrade provides usable...18210680- SKU:
- 18210680
- Availability:
- Ships Same Business Day
- Weight:
- 6.44 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
$399.99 -
FMF Powercore 4 Muffler 044222
FMF
$399.99If you're looking to unlock measurable power gains across your entire power band without compromising durability, the FMF Powercore 4 Muffler delivers real performance where it counts. The intelligent chambering design produces usable torque and...18210681- SKU:
- 18210681
- Availability:
- Ships Same Business Day
- Weight:
- 6.56 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- BASE COLOR:
- SILVER
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$399.99 -
FMF Powercore 4 Muffler 042160
FMF
$269.99If you're running a Mini and want measurable gains in exhaust flow without the fabrication hassle, the FMF Powercore 4 delivers. This bolt-on muffler reduces backpressure while cutting weight, giving you better throttle response and a noticeable...18210807- SKU:
- 18210807
- Availability:
- Ships Same Business Day
- Weight:
- 5.25 LBS
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- SILVER
- WEIGHT IMPERIAL:
- 2.5 LB
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$269.99 -
FMF Powercore 4 Muffler 042161
FMF
$289.99The FMF Powercore 4 Muffler delivers measurable performance gains without breaking your budget—a genuine bolt-on upgrade that reduces exhaust restriction while shedding unnecessary weight. If you're looking to improve throttle response and free up...18210808- SKU:
- 18210808
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- UNITS:
- EACH
- WEIGHT IMPERIAL:
- 2.9 LB
- END CAP STYLE:
- CONICAL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- END CAP MATERIAL:
- STAINLESS STEEL
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
$289.99 -
FMF Q4 HEX Muffler 041578
FMF
$449.99The FMF Q4 HEX Muffler delivers measurable power gains across your entire RPM range while cutting weight and keeping sound levels low enough to maintain ground clearance on technical terrain. Its multi-stage chamber design and proprietary packing...18211952- SKU:
- 18211952
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- Q4 HEX
$449.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 042374
FMF
$599.99If you're serious about extracting maximum power from your machine while cutting unnecessary weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM range without compromise. By centralizing mass closer to the motor through...18211953- SKU:
- 18211953
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
$599.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 042376
FMF
$749.99If you're serious about maximizing your bike's performance while reducing unsprung weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM range without compromise. The shorter profile and centralized mass design improve handling...18211955- SKU:
- 18211955
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$749.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 043372
FMF
$599.99If you're running a high-performance engine, your exhaust system is either unlocking or limiting your potential. The FMF Factory 4.1 RCT Muffler delivers measurable power gains across the entire RPM range while shedding unnecessary weight—critical...18211958- SKU:
- 18211958
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- END CAP MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
$599.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 043373
FMF
$749.99If you're serious about maximizing power across your entire RPM band while cutting unnecessary weight, the FMF Factory 4.1 RCT delivers measurable gains without compromise. Its Resonance Chamber Technology™ design—engineered both internally and...18211959- SKU:
- 18211959
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
$749.99 -
FMF Mini PowerCore 4 Slip-On Muffler - without Spark Arrestor - CRF110F '19+ 041579
FMF
$209.99The FMF Mini PowerCore 4 delivers noticeable performance gains on your CRF110F with a lightweight slip-on design that transforms throttle response immediately. This stainless steel and aircraft-grade aluminum construction sheds unnecessary weight while...18211962- SKU:
- 18211962
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- MODEL:
- MINI POWERCORE 4
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- FEATURES:
- WITHOUT SPARK ARRESTOR
$209.99 -
FMF Mini PowerCore 4 Slip-On Muffler - with Spark Arrestor 041580
FMF
$239.99If you're running a small-displacement engine and want immediate throttle response without the weight penalty of a stock muffler, the FMF Mini PowerCore 4 delivers measurable horsepower gains and a noticeably lighter footprint. The stainless steel core...18211963- SKU:
- 18211963
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- FEATURES:
- WITH SPARK ARRESTOR
- MODEL:
- MINI POWERCORE 4
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$239.99 -
FMF Q4 HEX Muffler 045646
FMF
$449.99The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while cutting weight from your machine—critical advantages whether you're racing competitively or pushing limits on technical terrain. Its sophisticated multi-stage...18211999- SKU:
- 18211999
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- WEIGHT IMPERIAL:
- 5.1 LB
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- MODEL:
- Q4 HEX
- MUFFLER COLOR/FINISH:
- RAW
$449.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 045647
FMF
$549.99If you're serious about maximizing output while minimizing rotational mass, the FMF Factory 4.1 RCT delivers measurable power gains across the entire RPM band without compromise. The compact design centralizes weight closer to the engine, improving...18212000- SKU:
- 18212000
- Availability:
- Ships Same Business Day
- Weight:
- 6.20 LBS
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
$549.99 -
FMF Powercore 4 HEX Muffler 045666
FMF
$399.99If you're looking to unlock measurable gains in power and torque while maintaining reliability on the track or trail, the FMF Powercore 4 HEX Muffler delivers the flow efficiency you need without compromise. Built with premium stainless steel and...18212005- SKU:
- 18212005
- Availability:
- Ships Same Business Day
- Weight:
- 7.45 LBS
- MODEL:
- POWERCORE 4 HEX
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- TYPE:
- SLIP-ON
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
$399.99 -
FMF Q4 HEX Muffler 045667
FMF
$449.99The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while significantly reducing weight compared to stock units. Its sophisticated chamber and baffle design extracts performance without unnecessary noise, allowing you to...18212006- SKU:
- 18212006
- Availability:
- Ships Same Business Day
- Weight:
- 7.72 LBS
- MODEL:
- Q4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
$449.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045668
FMF
$749.99The FMF Factory 4.1 RCT Muffler delivers measurable power gains across the entire RPM band while cutting unnecessary weight from your chassis—a combination that translates directly to faster lap times and improved throttle response. By centralizing mass...18212007- SKU:
- 18212007
- Availability:
- Ships Same Business Day
- Weight:
- 7.41 LBS
- END CAP MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- MUFFLER MATERIAL:
- TITANIUM
$749.99 -
FMF Q4 Muffler 042388
FMF
$449.99If you're running serious off-road miles, exhaust noise and premature packing degradation will cost you track time and money. The FMF Q4 Muffler delivers championship-proven sound suppression while extending service intervals between repacks—keeping you...18212028- SKU:
- 18212028
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MODEL:
- Q4 HEX
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- MUFFLER
$449.99
