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
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FMF PowerCore 4 HEX Muffler 042308
FMF
$399.99If you're looking to unlock measurable gains in power and torque while maintaining reliability in demanding conditions, the FMF PowerCore 4 HEX Muffler delivers the flow efficiency that separates performance exhausts from the rest. This isn't about noise...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 -
FMF Powercore 2 Silencer 025134
FMF
$199.99If you're running a 2-stroke engine, exhaust flow directly impacts your power delivery and throttle response. The FMF Powercore 2 silencer combines efficient sound dampening with a tuned internal design that maintains optimal back-pressure across the RPM...18211187- SKU:
- 18211187
- Availability:
- Ships Same Business Day
- Weight:
- 2.79 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP STYLE:
- CONICAL
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2
- STYLE:
- ELLIPTICAL
- BASE COLOR:
- SILVER
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON SILENCER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$199.99 -
FMF Powercore 2 Shorty Silencer 025135
FMF
$199.99If you're serious about supercross performance, your silencer choice directly impacts your bike's throttle response and overall power delivery. The FMF Powercore 2 Shorty Silencer is engineered specifically for this application—its compact design reduces...18211188- SKU:
- 18211188
- Availability:
- Ships Same Business Day
- Weight:
- 2.84 LBS
- END CAP STYLE:
- CONICAL
- MODEL:
- POWERCORE 2 SHORTY
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- OVAL
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$199.99 -
FMF Turbinecore 2 Silencer 025139
FMF
$219.99The FMF Turbinecore 2 Silencer delivers measurable exhaust flow improvements while maintaining strict sound compliance—critical for riders pushing performance limits without sacrificing legality. Its straight-through design eliminates unnecessary...18211192- SKU:
- 18211192
- Availability:
- Ships Same Business Day
- Weight:
- 3.37 LBS
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- OVAL
- WEIGHT IMPERIAL:
- 3.1 LB
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- TURBINECORE 2
- PRODUCT NAME:
- MUFFLER
$219.99 -
FMF Turbinecore 2 Silencer 025105
FMF
$219.99The FMF Turbinecore 2 Silencer delivers measurable performance gains by combining a straight-through design with advanced sound dampening technology, allowing your engine to breathe freely without sacrificing durability. Built from premium stainless...18211206- SKU:
- 18211206
- Availability:
- Ships Same Business Day
- Weight:
- 2.74 LBS
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- TURBINECORE 2
- STYLE:
- OVAL
- WEIGHT IMPERIAL:
- 2.5 LB
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
$219.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 042259
FMF
$749.99If you're serious about extracting maximum power from your machine while reducing unsprung weight, the FMF Factory 4.1 RCT muffler delivers measurable gains across the entire RPM band—without compromise. The aerospace-grade titanium construction and...18211222- SKU:
- 18211222
- Availability:
- Ships Same Business Day
- Weight:
- 7.89 LBS
- PRODUCT NAME:
- MUFFLER
- 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
- RIDING STYLE:
- OFF-ROAD
$749.99 -
FMF PowerCore 4 HEX Muffler 044404
FMF
$399.99The FMF PowerCore 4 HEX Muffler delivers measurable gains in power and torque while maintaining the durability required for serious riding conditions. Its Hi-Flo internal core geometry maximizes exhaust scavenging, translating directly to improved engine...18211534- SKU:
- 18211534
- Availability:
- Ships Same Business Day
- Weight:
- 7.70 LBS
- MODEL:
- POWERCORE 4 HEX
- 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
$399.99 -
FMF PowerCore 4 HEX Muffler 041514
FMF
$399.99If you're running a high-performance machine, your exhaust system is either working for you or against you. The FMF PowerCore 4 HEX Muffler delivers measurable gains in power and torque while maintaining the durability needed for sustained track use or...18211555- SKU:
- 18211555
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 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 MATERIAL:
- ALUMINUM
- MUFFLER COLOR/FINISH:
- RAW
- UNITS:
- EACH
$399.99 -
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
$399.99If 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
$399.99 -
FMF PowerCore 4 HEX Muffler 044397
FMF
$399.99If 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
$399.99 -
FMF PowerCore 4 HEX Muffler 045553
FMF
$399.99The 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
$399.99 -
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
$399.99The 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
$399.99 -
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
$399.99If 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
$399.99 -
FMF Powercore 4 Muffler 044228
FMF
$399.99The 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
$399.99
