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 Mini PowerCore 4 Slip-On Muffler - without Spark Arrestor - CRF110F '19+ 041579
FMF
$209.99The FMF Mini PowerCore 4 delivers noticeable performance gains on your CRF110F with a lightweight slip-on design that transforms throttle response immediately. This stainless steel and aircraft-grade aluminum construction sheds unnecessary weight while...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
$239.99If you're running a small-displacement engine and want immediate throttle response without the weight penalty of a stock muffler, the FMF Mini PowerCore 4 delivers measurable horsepower gains and a noticeably lighter footprint. The stainless steel core...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
$269.99The FMF Turbinecore 2.1 Muffler delivers track-proven performance without compromise. Its straight-through design and stainless steel construction eliminate unnecessary backpressure, giving you the power gains you've earned through your build, while the...18211983- SKU:
- 18211983
- Availability:
- Ships Same Business Day
- Weight:
- 3.96 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
$449.99The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while cutting weight from your machine—critical advantages whether you're racing competitively or pushing limits on technical terrain. Its sophisticated multi-stage...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 -
FMF Factory 4.1 RCT Muffler - Aluminum 045647
FMF
$549.99If you're serious about maximizing output while minimizing rotational mass, the FMF Factory 4.1 RCT delivers measurable power gains across the entire RPM band without compromise. The compact design centralizes weight closer to the engine, improving...18212000- SKU:
- 18212000
- Availability:
- Ships Same Business Day
- Weight:
- 6.20 LBS
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
$549.99 -
FMF Powercore 4 HEX Muffler 045666
FMF
$399.99If you're looking to unlock measurable gains in power and torque while maintaining reliability on the track or trail, the FMF Powercore 4 HEX Muffler delivers the flow efficiency you need without compromise. Built with premium stainless steel and...18212005- SKU:
- 18212005
- Availability:
- Ships Same Business Day
- Weight:
- 7.45 LBS
- MODEL:
- POWERCORE 4 HEX
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- TYPE:
- SLIP-ON
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
$399.99 -
FMF Q4 HEX Muffler 045667
FMF
$449.99The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while significantly reducing weight compared to stock units. Its sophisticated chamber and baffle design extracts performance without unnecessary noise, allowing you to...18212006- SKU:
- 18212006
- Availability:
- Ships Same Business Day
- Weight:
- 7.72 LBS
- MODEL:
- Q4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
$449.99Qty in Cart: 0Quantity:Price:$449.99Subtotal: -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045668
FMF
$749.99The FMF Factory 4.1 RCT Muffler delivers measurable power gains across the entire RPM band while cutting unnecessary weight from your chassis—a combination that translates directly to faster lap times and improved throttle response. By centralizing mass...18212007- SKU:
- 18212007
- Availability:
- Ships Same Business Day
- Weight:
- 7.41 LBS
- END CAP MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- MUFFLER MATERIAL:
- TITANIUM
$749.99 -
FMF Powercore 2.1 Muffler - Aluminum 025278
FMF
$239.99If you're running a modern 4-stroke on the track, the FMF Powercore 2.1 delivers the power curve consistency and durability you need to stay competitive lap after lap. The oversized aluminum canister maximizes packing longevity while the optimized...18212008- SKU:
- 18212008
- Availability:
- Ships Same Business Day
- Weight:
- 3.43 LBS
- MODEL:
- POWERCORE 2.1
- MUFFLER MATERIAL:
- ALUMINUM
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
$239.99 -
FMF Powercore 2.1 Muffler - Titanium 025279
FMF
$449.99If you're chasing consistent power delivery across the entire RPM band without sacrificing sound management, the FMF Powercore 2.1 is engineered to keep your bike running at peak efficiency in demanding conditions. The larger-diameter titanium canister...18212009- SKU:
- 18212009
- Availability:
- Ships Same Business Day
- Weight:
- 4.75 LBS
- END CAP MATERIAL:
- TITANIUM
- MODEL:
- POWERCORE 2.1 EXTREME
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- STAINLESS STEEL
$449.99 -
FMF Powercore 4 Muffler 042387
FMF
$399.99The FMF Powercore 4 is engineered to maximize exhaust scavenging on 4-stroke engines, translating directly to measurable horsepower and torque gains across the RPM band. Computer-designed and dyno-tested specifically for your application, this muffler...18212027- SKU:
- 18212027
- Availability:
- Ships Same Business Day
- Weight:
- 6.50 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MUFFLER MATERIAL:
- ALUMINUM
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- MUFFLER
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
$399.99 -
FMF Q4 Muffler 042388
FMF
$449.99If you're running serious off-road miles, exhaust noise and premature packing degradation will cost you track time and money. The FMF Q4 Muffler delivers championship-proven sound suppression while extending service intervals between repacks—keeping you...18212028- SKU:
- 18212028
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MODEL:
- Q4 HEX
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- MUFFLER
$449.99 -
FMF Turbinecore 2 Silencer 020370
FMF
$219.99The FMF Turbinecore 2 Silencer reduces backpressure while maintaining street-legal sound levels, giving you measurable power gains without sacrificing reliability. Its straight-through design and performance-oriented internals deliver the efficiency...FMFSA9201- SKU:
- FMFSA9201
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
$219.99 -
FMF Turbinecore 2 Silencer 020362
FMF
$219.99The FMF Turbinecore 2 Silencer delivers the performance exhaust characteristics serious riders demand—reduced backpressure, maximum flow efficiency, and a tuned acoustic profile without sacrificing durability. Whether you're pushing lap times or refining...FMFSA8207- SKU:
- FMFSA8207
- Availability:
- Ships Same Business Day
- Weight:
- 2.88 LBS
$219.99Qty in Cart: 0Quantity:Price:$219.99Subtotal: -
FMF Turbinecore 2 Silencer 020361
FMF
$219.99The FMF Turbinecore 2 Silencer delivers maximum exhaust flow without sacrificing sound suppression, making it the ideal choice for riders who demand both performance and compliance on the track. Its straight-through design eliminates restrictive baffles...FMFSA8206- SKU:
- FMFSA8206
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
$219.99 -
FMF Turbinecore 2 Silencer 020357
FMF
$219.99If you're serious about maximizing your machine's potential, exhaust flow restriction is costing you real power. The FMF Turbinecore 2 Silencer delivers unrestricted exhaust velocity while maintaining sound control—critical for both track performance and...FMFSA8201- SKU:
- FMFSA8201
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
$219.99 -
FMF Turbinecore Spark Arrestor Silencer 020353
FMF
$219.99If you're running a spark arrestor on your bike, you already know the performance penalty that comes with it. The FMF Turbinecore Spark Arrestor Silencer eliminates that trade-off by using FMF's proven Turbine Dampening Separator (TDS) baffle design,...FMFSA815- SKU:
- FMFSA815
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$219.99Qty in Cart: 0Quantity:Price:$219.99Subtotal: -
FMF Turbinecore 2 Silencer 020344
FMF
$219.99The FMF Turbinecore 2 Silencer delivers race-proven exhaust technology that maximizes flow while maintaining durability on the track. Its exclusive Turbine Dampening System reduces backpressure without sacrificing the structural integrity your...FMFSA7208- SKU:
- FMFSA7208
- Availability:
- Ships Same Business Day
- Weight:
- 3.12 LBS
$219.99Qty in Cart: 0Quantity:Price:$219.99Subtotal: -
FMF Turbinecore 2 Silencer 020340
FMF
$219.99The FMF Turbinecore 2 Silencer delivers the straight-through flow dynamics your high-performance engine demands, without sacrificing the durability needed for extended track sessions or aggressive trail riding. By combining FMF's proprietary Turbine...FMFSA7203- SKU:
- FMFSA7203
- Availability:
- Ships Same Business Day
- Weight:
- 3.11 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 Turbinecore 2 Silencer 020339
FMF
$219.99The FMF Turbinecore 2 Silencer delivers serious performance without sacrificing durability. Its straight-through design and Performance Flow stainless steel construction minimize backpressure while maximizing exhaust scavenging efficiency. If you're...FMFSA7202- SKU:
- FMFSA7202
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- STYLE:
- OVAL
- BASE COLOR:
- SILVER
- MODEL:
- TURBINECORE 2
- WEIGHT IMPERIAL:
- 3.1 LB
$219.99