Dirt Bike Silencers/Mufflers
J J Motorsports is a leading supplier of dirt bike silencers and mufflers for 2-stroke and 4-strokes online from popular brands like Bills Pipes, FMF, and Pro Circuit. Our dirt bike exhaust systems are specifically designed to reduce noise while still providing the power and performance you need. We offer a variety of dirt bike exhausts for both 2-stroke and 4-stroke engines, so you can find the perfect one for your ride. In addition to our dirt bike exhausts, we also carry a full line of dirt bike parts and accessories to keep your bike running at its best. Whether you're looking for a new set of tires or a replacement chain, we have what you need. Check out our selection of dirt bike parts and accessories today!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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FMF Powercore 4 Muffler 042161
FMF
$289.99FMF Powercore 4 Muffler 042161The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini, Features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header,...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 Muffler 041332
FMF
$379.99FMF Q4 Muffler 041332The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound, Less mass to enhance power-to-weight ratio, Quiet power with minimal sacrifice for performance, Developed over years of championship...18210887- SKU:
- 18210887
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- END CAP STYLE:
- CONICAL
- MODEL:
- Q4
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- MUFFLER COLOR/FINISH:
- RAW
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
$379.99Qty in Cart: 0Quantity:Price:$379.99Subtotal: -
FMF Powercore 2 Silencer 025064
FMF
$199.99FMF Powercore 2 Silencer 025064The most popular 2-stroke silencers in FMF's arsenal, The elliptically shaped bodies with perforated core perform well in any condition, Equipped with a Performance Flow end cap and nickel-plated front stinger18210021- SKU:
- 18210021
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- TYPE:
- SLIP-ON SILENCER
- BASE COLOR:
- SILVER
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2
- STYLE:
- ELLIPTICAL
- COLOR/FINISH:
- SILVER
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
$199.99 -
FMF Powercore 2 Shorty Silencer 025065
FMF
$199.99FMF Powercore 2 Shorty Silencer 025065The Shorty Silencer is the most desirable silencer for supercross performance, Overall length of canister and core is shorter to improve the hit of your machine, The SST Shorty Silencer is the heart and soul of the...18210022- SKU:
- 18210022
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- TYPE:
- SLIP-ON
- MODEL:
- POWERCORE 2 SHORTY
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$199.99 -
FMF Turbinecore 2 Silencer 025067
FMF
$219.99FMF Turbinecore 2 Silencer 025067Uses the exclusive "Turbine Dampening System", Straight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricted power18210024- SKU:
- 18210024
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- MODEL:
- TURBINECORE 2
- BASE COLOR:
- SILVER
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- END CAP MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- WEIGHT IMPERIAL:
- 2.4 LB
$219.99 -
FMF Powercore 2 Silencer 025258
FMF
$199.99FMF Powercore 2 Silencer 025258The most popular 2-stroke silencers in FMF's arsenal, The elliptically shaped bodies with perforated core perform well in any condition, Equipped with a Performance Flow end cap and nickel-plated front stinger18211947- SKU:
- 18211947
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- BASE COLOR:
- SILVER
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELLIPTICAL
- UNITS:
- EACH
- MODEL:
- POWERCORE 2
- TYPE:
- SLIP-ON SILENCER
- COLOR/FINISH:
- SILVER
- END CAP COLOR/FINISH:
- SILVER
- END CAP STYLE:
- CONICAL
$199.99 -
FMF Powercore 2 Shorty Silencer 025259
FMF
$199.99FMF Powercore 2 Shorty Silencer 025259Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and aluminum canister, This design results in a finely tuned bolt on performance silencer that...18211948- SKU:
- 18211948
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- PRODUCT NAME:
- SILENCER
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 2 SHORTY
- MUFFLER MATERIAL:
- ALUMINUM
$199.99 -
FMF Turbinecore 2 Silencer 025260
FMF
$219.99FMF Turbinecore 2 Silencer 025260Uses the exclusive "Turbine Dampening System", Straight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricted power18211949- SKU:
- 18211949
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- TURBINECORE 2
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
$219.99 -
FMF Powercore 2 Silencer 025261
FMF
$199.99FMF Powercore 2 Silencer 025261The most popular 2-stroke silencers in FMF's arsenal, The elliptically shaped bodies with perforated core perform well in any condition, Equipped with a Performance Flow end cap and nickel-plated front stinger18211950- SKU:
- 18211950
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- COLOR/FINISH:
- SILVER
- END CAP COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- MUFFLER
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 2
- TYPE:
- SLIP-ON SILENCER
- END CAP STYLE:
- CONICAL
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELLIPTICAL
$199.99 -
FMF Turbinecore 2 Silencer 025262
FMF
$219.99FMF Turbinecore 2 Silencer 025262Uses the exclusive "Turbine Dampening System", Straight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricted power18211951- SKU:
- 18211951
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- MODEL:
- TURBINECORE 2
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- STYLE:
- OVAL
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
$219.99 -
FMF Q4 HEX Muffler 041578
FMF
$449.99FMF Q4 HEX Muffler 041578The 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...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
$599.99FMF Factory 4.1 RCT Muffler Aluminum 042374The 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...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
$749.99FMF Factory 4.1 RCT Muffler Anodized Titanium 042376The 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...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 PowerCore 4 HEX Muffler 043370
FMF
$399.99FMF PowerCore 4 HEX Muffler 043370Overall 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...18211956- SKU:
- 18211956
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- MODEL:
- POWERCORE 4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
$399.99Qty in Cart: 0Quantity:Price:$399.99Subtotal: -
FMF Factory 4.1 RCT Muffler - Aluminum 043372
FMF
$599.99FMF Factory 4.1 RCT Muffler Aluminum 043372The 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...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
$749.99FMF Factory 4.1 RCT Muffler Anodized Titanium 043373The 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...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
$209.99FMF Mini PowerCore 4 Slip-On Muffler without Spark Arrestor CRF110F '19+ 041579Features a Hi-Flo stainless steel core and formed end caps, Aircraft grade aluminum canister, You will swear the motor has been bored and stroked with the first twist of the...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
$239.99FMF Mini PowerCore 4 Slip-On Muffler with Spark Arrestor 041580Features a Hi-Flo stainless steel core and formed end caps, Aircraft grade aluminum canister, You will swear the motor has been bored and stroked with the first twist of the throttle, Pounds...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 Turbinecore 2.1 Muffler 025273
FMF
$269.99FMF Turbinecore 2.1 Muffler 025273The straight through design of the spark arrestor canister and the performance flow stainless steel end cap ensures strength, durability and most importantly, track and trail proven unrestricted power, The 2.1 utilizes a...18211983- SKU:
- 18211983
- Availability:
- Ships Same Business Day
- Weight:
- 4.05 LBS
- MODEL:
- TURBINECORE 2.1
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP STYLE:
- SLASH-CUT
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- STAINLESS STEEL
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ROUND
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$269.99 -
FMF Q4 HEX Muffler 045646
FMF
$449.99FMF Q4 HEX Muffler 045646The 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...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
