Dirt Bike Silencers/Mufflers
Dirt Bike Silencers & Mufflers for KTM 65 SX, Honda CRF250R & Husqvarna at JJ Motorsports
Boost your dirt bike's exhaust flow and sound with premium silencers and mufflers from JJ Motorsports, engineered for maximum power gains, reduced weight, and durable performance in motocross, enduro, and trail riding. Our selection includes high-flow slip-on mufflers, carbon fiber silencers, and hex-shaped designs with stainless steel construction, aluminum canisters, and spark arrestors for superior heat dissipation, crisp 2-stroke tone, and compliance with track regulations. Compatible with top models like KTM 65 SX (2016-2022), Husqvarna TC65 (2019-2022), and Honda CRF250R (2022), these race-proven components from trusted brands ensure easy bolt-on installation, reinforced mounting, and long-lasting glass packing without sacrificing low-end torque or mid-range punch. Whether you're chasing podiums or weekend thrills, upgrade to mufflers that deliver factory-level sound and efficiency for every rip.
Shop brands like FMF, MX2, and Pro Circuit for race-proven quality. Explore related categories such as dirt bike exhaust for headers and tips or dirt bike air and fuel for complete tuning.
Top Dirt Bike Silencers & Mufflers
- FMF Powercore 4 Hex Muffler 041608 – Hex-shaped muffler with stainless steel construction for enhanced flow and durability; ideal for 4-stroke dirt bikes, ships same day.
- MX2 Carbon Silencer 65 SX 2016-2022 KTM TC65 Husqvarna 19-22 – Lightweight carbon fiber silencer with 6061 T-6 aluminum housing, stainless steel mid-pipe, and glass packing for crisp 2-stroke sound on KTM/Husqvarna youth models.
- Pro Circuit T-6 Slip-On Muffler Honda CRF250R 2022 0112225A – Stainless steel midpipe and aluminum canister slip-on for improved efficiency and sound; includes USFS spark arrestor for CRF250R.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
FMF Factory 4.1 RCT Muffler - Aluminum 041517
FMF
$599.99If you're serious about extracting maximum power from your engine while reducing unsprung weight, the FMF Factory 4.1 RCT Muffler delivers measurable gains across the entire RPM range. The advanced Resonance Chamber Technology™ design optimizes exhaust...18211563- SKU:
- 18211563
- Availability:
- Ships Same Business Day
- Weight:
- 9.05 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- PIPE MATERIAL:
- STAINLESS STEEL
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$599.99 -
FMF PowerCore 4 HEX Muffler 044396
FMF
$449.99If you're running a stock muffler, you're leaving power on the table. The FMF PowerCore 4 HEX delivers measurable increases in horsepower and torque while maintaining reliability through durable construction—making it an essential upgrade for riders...18211571- SKU:
- 18211571
- Availability:
- Ships Same Business Day
- Weight:
- 6.22 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$449.99 -
FMF PowerCore 4 HEX Muffler 044397
FMF
$449.99If you're running a high-performance engine, your stock muffler is costing you power and responsiveness. The FMF PowerCore 4 HEX delivers measurable gains in horsepower and torque by optimizing exhaust flow with proven Hi-Flo core technology and advanced...18211572- SKU:
- 18211572
- Availability:
- Ships Same Business Day
- Weight:
- 6.90 LBS
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4 HEX
$449.99 -
FMF PowerCore 4 HEX Muffler 045553
FMF
$449.99The FMF PowerCore 4 HEX Muffler delivers measurable gains in horsepower and torque while maintaining the durability and reliability your engine demands. Built with premium stainless steel and aluminum, this muffler combines aggressive flow...18211627- SKU:
- 18211627
- Availability:
- Ships Same Business Day
- Weight:
- 5.90 LBS
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$449.99 -
FMF Q4 HEX Muffler 045556
FMF
$449.99The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while reducing weight and unwanted noise—letting you feel the performance difference on every ride. Its multi-stage chamber design and proprietary packing material...18211629- SKU:
- 18211629
- Availability:
- Ships Same Business Day
- Weight:
- 6.27 LBS
- UNITS:
- EACH
- MODEL:
- Q4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- WEIGHT IMPERIAL:
- 4.9 LB
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
$449.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045561
FMF
$649.99If you're serious about extracting maximum power while keeping weight down, the FMF Factory 4.1 RCT Muffler delivers measurable gains across the entire RPM band without the fragility of longer designs. By centralizing mass closer to the engine through...18211631- SKU:
- 18211631
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
- 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
- UNITS:
- EACH
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$649.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 045558
FMF
$549.99If you're serious about extracting maximum performance from your machine while reducing unsprung weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM range without compromise. By centralizing mass closer to the motor and...18211633- SKU:
- 18211633
- Availability:
- Ships Same Business Day
- Weight:
- 6.12 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$549.99 -
FMF Powercore 2 Silencer 025077
FMF
$199.99The FMF Powercore 2 Silencer delivers consistent performance across varied track conditions without sacrificing usable power in your RPM range. Its proven elliptical design and perforated core technology reduce back-pressure while maintaining the engine...18210080- SKU:
- 18210080
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELLIPTICAL
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2
- COLOR/FINISH:
- SILVER
- END CAP STYLE:
- CONICAL
$199.99 -
FMF Powercore 4 Muffler 044448
FMF
$449.99The FMF Powercore 4 Muffler delivers measurable power gains across the entire RPM range without compromising rideability or durability. Whether you're pushing hard on the track or tackling varied terrain, this muffler balances increased horsepower and...18211028- SKU:
- 18211028
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- STYLE:
- OVAL
- BASE COLOR:
- SILVER
- END CAP STYLE:
- CONICAL
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$449.99 -
FMF Powercore 4 Muffler 043095
FMF
$269.99Stock exhaust systems rob your Mini of both power and character. The FMF Powercore 4 delivers measurable horsepower gains and a more aggressive acoustic signature through a bolt-on design that requires no fabrication or tuning adjustments. If you're...18210521- SKU:
- 18210521
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- WEIGHT IMPERIAL:
- 2.6 LB
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
$269.99 -
FMF Powercore 4 Muffler 041284
FMF
$449.99If you're looking for measurable power gains without compromise, the FMF Powercore 4 Muffler delivers consistent horsepower and torque increases across the entire power curve—the kind of performance boost you'll actually feel on every ride. Built with...18210540- SKU:
- 18210540
- Availability:
- Ships Same Business Day
- Weight:
- 5.90 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
$449.99 -
FMF Powercore 4 Muffler 044228
FMF
$449.99The FMF Powercore 4 Muffler delivers measurable gains across your entire power curve without sacrificing rideability or reliability. Built for riders who demand real-world performance improvements—not just noise—this muffler balances power output with...18210578- SKU:
- 18210578
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- BASE COLOR:
- SILVER
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
$449.99 -
FMF Powercore 4 Muffler 041273
FMF
$449.99If you're looking to unlock measurable performance gains without compromising reliability, the FMF Powercore 4 Muffler delivers consistent horsepower and torque increases across your entire power curve. Built with a proven aluminum core and stainless...18210662- SKU:
- 18210662
- Availability:
- Ships Same Business Day
- Weight:
- 6.56 LBS
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- END CAP STYLE:
- CONICAL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
$449.99 -
FMF Powercore 4 Muffler 042123
FMF
$449.99The 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
$449.99 -
FMF Powercore 4 Muffler 044220
FMF
$449.99The 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
$449.99 -
FMF Powercore 4 Muffler 044222
FMF
$449.99If 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
$449.99 -
FMF Turbinecore 2 Silencer 025096
FMF
$219.99The FMF Turbinecore 2 Silencer delivers the acoustic control and durability serious riders demand without sacrificing the exhaust flow your engine needs to breathe. Its straight-through design eliminates backpressure while the stainless steel...18210800- SKU:
- 18210800
- Availability:
- Ships Same Business Day
- Weight:
- 3.23 LBS
- BASE COLOR:
- SILVER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- END CAP STYLE:
- CONICAL
- MODEL:
- TURBINECORE 2
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$219.99 -
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 Powercore 2 Silencer 025064
FMF
$199.99The FMF Powercore 2 Silencer delivers consistent power delivery across the entire RPM range, whether you're racing at the track or pushing through varied terrain. Its proven elliptical design and perforated core architecture minimize back-pressure while...18210021- 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
