Dirt Bike 4-Stroke Mufflers
Upgrade to 4-stroke mufflers engineered for maximum efficiency and sound control. These high-performance components enhance power delivery while delivering a smoother, quieter ride. Perfect for competitive racing or casual trail rides, our dirt bike 4-stroke mufflers ensure top-tier performance with lasting durability.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
FMF Q4 HEX Muffler 042368
FMF
$449.99The Q4 employs intricate chambers, baffles and proprietary multistage packing material, With the Q4 you don’t need to hear the power, just feel the power!, Less sound equals more ground, Power gains throughout the entire rpm range, Spark arrestor...18211887- SKU:
- 18211887
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MODEL:
- Q4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$449.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 042369
FMF
$599.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211888- SKU:
- 18211888
- Availability:
- Ships Same Business Day
- Weight:
- 7.64 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- 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 042371
FMF
$749.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211890- SKU:
- 18211890
- Availability:
- Ships Same Business Day
- Weight:
- 7.13 LBS
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
$749.99 -
FMF PowerCore 4 HEX Muffler 045626
FMF
$549.99Overall increase in power and torque, Durable stainless steel and aluminum construction, Space Age internal packing material for maximum longevity, Internal shape of core uses Hi-Flo technology, Enhanced sonic evacuation provides for higher flow and...18211918- SKU:
- 18211918
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$549.99 -
FMF Q4 HEX Muffler 045627
FMF
$569.99The Q4 employs intricate chambers, baffles and proprietary multistage packing material, With the Q4 you don’t need to hear the power, just feel the power!, Less sound equals more ground, Power gains throughout the entire rpm range, Spark arrestor...18211919- SKU:
- 18211919
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MODEL:
- Q4 HEX
$569.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 045628
FMF
$674.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211920- SKU:
- 18211920
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
$674.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045629
FMF
$854.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211921- SKU:
- 18211921
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 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:
- ANODIZED BLUE
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$854.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045633
FMF
$854.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211925- SKU:
- 18211925
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$854.99 -
FMF PowerCore 4 HEX Muffler 042345
FMF
$399.99Overall increase in power and torque, Durable stainless steel and aluminum construction, Space Age internal packing material for maximum longevity, Internal shape of core uses Hi-Flo technology, Enhanced sonic evacuation provides for higher flow and...18211794- SKU:
- 18211794
- Availability:
- Ships Same Business Day
- Weight:
- 6.90 LBS
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$399.99 -
FMF PowerCore 4 HEX Muffler 044441
FMF
$399.99Overall increase in power and torque, Durable stainless steel and aluminum construction, Space Age internal packing material for maximum longevity, Internal shape of core uses Hi-Flo technology, Enhanced sonic evacuation provides for higher flow and...18211836- SKU:
- 18211836
- Availability:
- Ships Same Business Day
- Weight:
- 6.65 LBS
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4 HEX
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
$399.99 -
FMF Q4 HEX Muffler 044442
FMF
$449.99The Q4 employs intricate chambers, baffles and proprietary multistage packing material, With the Q4 you don’t need to hear the power, just feel the power!, Less sound equals more ground, Power gains throughout the entire rpm range, Spark arrestor...18211837- SKU:
- 18211837
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- Q4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$449.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 044443
FMF
$649.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211838- SKU:
- 18211838
- Availability:
- Ships Same Business Day
- Weight:
- 9.15 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$649.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 044445
FMF
$849.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211840- SKU:
- 18211840
- Availability:
- Ships Same Business Day
- Weight:
- 8.35 LBS
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
$849.99 -
FMF PowerCore 4 HEX Muffler 045589
FMF
$399.99Overall increase in power and torque, Durable stainless steel and aluminum construction, Space Age internal packing material for maximum longevity, Internal shape of core uses Hi-Flo technology, Enhanced sonic evacuation provides for higher flow and...18211716- SKU:
- 18211716
- Availability:
- Ships Same Business Day
- Weight:
- 6.67 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
$399.99 -
FMF Q4 HEX Muffler 045590
FMF
$449.99The Q4 employs intricate chambers, baffles and proprietary multistage packing material, With the Q4 you don’t need to hear the power, just feel the power!, Less sound equals more ground, Power gains throughout the entire rpm range, Spark arrestor...18211717- SKU:
- 18211717
- Availability:
- Ships Same Business Day
- Weight:
- 6.71 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- WEIGHT IMPERIAL:
- 5.1 LB
- MODEL:
- Q4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP MATERIAL:
- STAINLESS STEEL
$449.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 045594
FMF
$549.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211719- SKU:
- 18211719
- Availability:
- Ships Same Business Day
- Weight:
- 6.05 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
$549.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 042286
FMF
$749.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211337- SKU:
- 18211337
- Availability:
- Ships Same Business Day
- Weight:
- 8.20 LBS
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
$749.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045586
FMF
$649.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211698- SKU:
- 18211698
- Availability:
- Ships Same Business Day
- Weight:
- 7.05 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$649.99 -
FMF PowerCore 4 HEX Muffler 042327
FMF
$399.99Overall increase in power and torque, Durable stainless steel and aluminum construction, Space Age internal packing material for maximum longevity, Internal shape of core uses Hi-Flo technology, Enhanced sonic evacuation provides for higher flow and...18211723- SKU:
- 18211723
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4 HEX
$399.99 -
FMF PowerCore 4 HEX Muffler 042308
FMF
$399.99Overall increase in power and torque, Durable stainless steel and aluminum construction, Space Age internal packing material for maximum longevity, Internal shape of core uses Hi-Flo technology, Enhanced sonic evacuation provides for higher flow and...18211520- SKU:
- 18211520
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
$399.99
