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 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 Q4 Muffler 044199
FMF
$449.99If you're running off-road and need to meet sound regulations without sacrificing performance, the FMF Q4 Muffler delivers legitimate quiet power through precision engineering—not compromise. Developed from years of championship racing, this muffler uses...18210678- SKU:
- 18210678
- Availability:
- Ships Same Business Day
- Weight:
- 8.63 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- Q4
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- CONICAL
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- 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 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 -
FMF Powercore 2 Shorty Silencer 025065
FMF
$199.99If you're serious about supercross performance, silencer design directly impacts your power delivery and throttle response. The FMF Powercore 2 Shorty Silencer reduces overall length to sharpen your machine's hit off the line—a critical advantage in...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
$219.99The FMF Turbinecore 2 Silencer delivers maximum exhaust flow with minimal backpressure, allowing your engine to breathe freely and produce measurable power gains across the RPM range. Built with premium stainless steel construction and FMF's proven...18210024- 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
$219.99Qty in Cart: 0Quantity:Price:$219.99Subtotal: -
FMF Powercore 2 Silencer 025258
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 delivers proven performance across varied terrain and riding conditions without sacrificing sound management. Its...18211947- SKU:
- 18211947
- Availability:
- Ships Same Business Day
- Weight:
- 2.51 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
$199.99If you're running tight supercross tracks or technical courses where mid-range power makes the difference, the FMF Powercore 2 Shorty delivers tuned performance exactly where you need it. The shortened inner core and lightweight aluminum canister...18211948- SKU:
- 18211948
- Availability:
- Ships Same Business Day
- Weight:
- 2.29 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
$219.99If you're serious about maximizing your engine's power output without sacrificing reliability, exhaust restriction is costing you performance. The FMF Turbinecore 2 Silencer eliminates backpressure with its straight-through design while the exclusive...18211949- SKU:
- 18211949
- Availability:
- Ships Same Business Day
- Weight:
- 3.13 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
$199.99The FMF Powercore 2 Silencer delivers the performance consistency that serious 2-stroke racers and riders demand across varying track conditions and elevations. Its proven elliptical design with perforated core technology balances optimal exhaust...18211950- SKU:
- 18211950
- Availability:
- Ships Same Business Day
- Weight:
- 2.82 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
$219.99The FMF Turbinecore 2 Silencer delivers the performance exhaust note you're after while maintaining the durability required for serious riding. Its straight-through design eliminates restrictive baffles that choke power, giving you measurable gains in...18211951- SKU:
- 18211951
- Availability:
- Ships Same Business Day
- Weight:
- 3.27 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
$449.99The 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