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 Factory 4.1 RCT Muffler - Aluminum 044464
FMF
$674.99If 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 without compromise. By centralizing mass closer to the motor through...18212012- SKU:
- 18212012
- Availability:
- Ships Same Business Day
- Weight:
- 8.40 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
$674.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 044466
FMF
$799.99If you're serious about extracting maximum power from your machine while minimizing unsprung weight, the FMF Factory 4.1 RCT is engineered to deliver across the entire RPM band. Its shorter, centralized design reduces crash vulnerability and lowers your...18212013- SKU:
- 18212013
- Availability:
- Ships Same Business Day
- Weight:
- 8.40 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- MUFFLER
$799.99 -
FMF Factory 4.1 Muffler 042394
FMF
$599.99The FMF Factory 4.1 Muffler delivers a tuned exhaust note that doesn't sacrifice performance—optimized flow characteristics reduce backpressure while maintaining street-legal sound levels. Whether you're maximizing horsepower on the dyno or simply want a...18212035- SKU:
- 18212035
- Availability:
- Ships Same Business Day
- Weight:
- 7.68 LBS
- PRODUCT NAME:
- MUFFLER
- END CAP STYLE:
- CONICAL
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- MODEL:
- FACTORY 4.1 RCT
- RIDING STYLE:
- OFF-ROAD
- END CAP COLOR/FINISH:
- BLACK
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- ALUMINUM
$599.99 -
FMF Factory 4.1 Muffler 042396
FMF
$749.99The FMF Factory 4.1 Muffler delivers the performance exhaust flow your engine demands while maintaining street-legal sound levels. This is the choice of professional racers and serious enthusiasts who refuse to compromise between power gains and...18212036- SKU:
- 18212036
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- COLOR/FINISH:
- ANODIZED
- MODEL:
- FACTORY 4.1 RCT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- END CAP COLOR/FINISH:
- SILVER
- MATERIAL:
- TITANIUM
$749.99 -
FMF Powercore 4 Muffler 042392
FMF
$399.99The FMF Powercore 4 Muffler delivers the performance exhaust solution you need when stock silencers are holding back your engine's potential. This proven design reduces backpressure while maintaining streetable sound levels, giving you measurable...18212038- SKU:
- 18212038
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
$399.99 -
FMF Powercore 4 Muffler 041600
FMF
$399.99The FMF Powercore 4 delivers the exhaust flow efficiency and sound character that serious riders demand. Whether you're chasing lap times on the track or maximizing mid-range punch on the street, this muffler combines proven silencing technology with...18212041- SKU:
- 18212041
- Availability:
- Ships Same Business Day
- Weight:
- 6.80 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- TYPE:
- SLIP-ON
$399.99 -
FMF Q4 Muffler 041601
FMF
$449.99If you're running a high-performance machine, your exhaust system is either working for you or against you. The FMF Q4 Muffler delivers a significant reduction in backpressure while maintaining sound control, giving you the horsepower gains and throttle...18212042- SKU:
- 18212042
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
- MODEL:
- Q4 HEX
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
$449.99 -
FMF Factory 4.1 Muffler 041602
FMF
$674.99The FMF Factory 4.1 Muffler delivers race-proven exhaust flow with minimal back pressure, giving you measurable gains in horsepower and throttle response. Built with premium materials and precision engineering, this bolt-on muffler is designed for riders...18212043- SKU:
- 18212043
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$674.99 -
FMF Factory 4.1 Muffler 041603
FMF
$899.99The FMF Factory 4.1 Muffler is engineered for riders who demand maximum power delivery without sacrificing low-end torque or rideability. This muffler combines a strategically tuned internal chamber design with a compact footprint, making it ideal for...18212044- SKU:
- 18212044
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- TITANIUM
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- TYPE:
- SLIP-ON
$899.99 -
FMF Powercore 4 with Spark Arrestor 043376
FMF
$399.99If you're running a high-performance engine, your exhaust system directly impacts how much power and torque you can extract. The FMF Powercore 4 delivers measurable gains through optimized flow dynamics and advanced internal packing, while the included...18212016- SKU:
- 18212016
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- BASE COLOR:
- SILVER
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
$399.99 -
FMF Q4 Muffler 043377
FMF
$449.99If you're running off-road or track applications where exhaust noise and backpressure directly impact performance, the FMF Q4 delivers championship-proven silencing without sacrificing flow. Engineered through years of competitive racing, this muffler...18212017- SKU:
- 18212017
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- END CAP STYLE:
- CONICAL
- MODEL:
- Q4
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
$449.99 -
FMF Factory 4.1 Muffler 041592
FMF
$299.99If weight and power are your priorities, the FMF Factory 4.1 Muffler delivers both without compromise. The exclusive Chamber Core technology optimizes exhaust flow across the entire RPM range while keeping rotational mass to a minimum—critical for...18212018- SKU:
- 18212018
- Availability:
- Ships Same Business Day
- Weight:
- 2.66 LBS
- MODEL:
- FACTORY 4.1
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
$299.99 -
FMF Factory 4.1 Muffler 041593
FMF
$349.99If you're serious about extracting maximum power from your machine while cutting parasitic weight, the FMF Factory 4.1 Muffler delivers measurable gains across the entire RPM band—without compromise. This is titanium exhaust engineering built on real...18212019- SKU:
- 18212019
- Availability:
- Ships Same Business Day
- Weight:
- 2.58 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
- MODEL:
- FACTORY 4.1
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
$349.99 -
FMF Factory 4.1 Muffler 041595
FMF
$349.99If you're serious about extracting maximum power from your bike while shedding unnecessary weight, the FMF Factory 4.1 Muffler delivers measurable gains across the entire RPM band. Factory Forward Engineering's proprietary Chamber Core technology...18212021- SKU:
- 18212021
- Availability:
- Ships Same Business Day
- Weight:
- 3.14 LBS
- COLOR/FINISH:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- COLOR/FINISH:
- ANODIZED
- TYPE:
- SLIP-ON
- MODEL:
- FACTORY 4.1
- UNITS:
- EACH
$349.99 -
FMF Factory 4.1 Muffler 042383
FMF
$349.99If you're serious about extracting maximum power from your bike while shedding unnecessary weight, the FMF Factory 4.1 delivers measurable gains across the entire RPM band. Built from premium American titanium and engineered with exclusive Chamber Core...18212023- SKU:
- 18212023
- Availability:
- Ships Same Business Day
- Weight:
- 3.57 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY 4.1
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
$349.99 -
FMF Powercore 4 Muffler 041596
FMF
$399.99The FMF Powercore 4 Muffler delivers measurable gains in power and torque while maintaining durability through punishing riding conditions. Built with premium stainless steel and aluminum construction, this muffler combines lightweight design with...18212026- SKU:
- 18212026
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- TYPE:
- SLIP-ON
- END CAP STYLE:
- CONICAL
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$399.99 -
AKRAPOVIC Muffler - Titanium S-B6SO7-HZAAT
AKRAPOVIC
$1,157.15If you're running a high-revving scooter platform and want measurable gains in power and torque without compromising weight or reliability, the Akrapovic titanium muffler is a purpose-built upgrade. This system delivers a significant 44.9% weight...18113130- SKU:
- 18113130
- Availability:
- Ships Same Business Day
- Weight:
- 11.80 LBS
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- PAIR
- WEIGHT IMPERIAL:
- 8.4 LB
- HEAT SHIELD MATERIAL:
- CARBON FIBER
- MODEL:
- SLIP-ON LINE
- END CAP MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- TYPE:
- SLIP-ON
$1,157.15 -
AKRAPOVIC Muffler - Titanium S-B4SO2-HRT
AKRAPOVIC
$904.95If you're looking to unlock measurable gains in power and torque across your entire rev range, the AKRAPOVIC Titanium Muffler delivers real performance improvements—not just sound. The precision-engineered titanium construction combined with a carbon...18113935- SKU:
- 18113935
- Availability:
- Ships Same Business Day
- Weight:
- 10.50 LBS
- HEAT SHIELD MATERIAL:
- CARBON FIBER
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- SLIP-ON LINE
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- WEIGHT IMPERIAL:
- 7.7 LB
- MATERIAL:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
$904.95 -
AKRAPOVIC Muffler - Black - Stainless Steel - GTS/GTV S-VE3SO9-HRSSBL
AKRAPOVIC
$824.95If you're ready to unlock measurable performance gains from your GTS/GTV, the Akrapović slip-on muffler is the ideal entry point into exhaust system tuning. This bolt-on replacement delivers a noticeable increase in power and torque while shedding...18113941- SKU:
- 18113941
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- SLIP-ON LINE
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- END CAP STYLE:
- SLASH-CUT
- MUFFLER COLOR/FINISH:
- BLACK
- MUFFLER MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$824.95 -
DG PERFORMANCE Dual Sport Slip-On Muffler 091-8650
DG PERFORMANCE
$488.99If you're running a dual-sport machine and need to bring noise levels down without sacrificing responsiveness, the DG PERFORMANCE Dual Sport Slip-On Muffler delivers exactly that. Its RST™ technology and advanced internal core design absorb exhaust noise...18211812- SKU:
- 18211812
- Availability:
- Ships Same Business Day
- Weight:
- 12.60 LBS
- COLOR/FINISH:
- SILVER
- END CAP COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- MUFFLER
- FEATURES:
- WITH SPARK ARRESTOR
- MODEL:
- RST
- TYPE:
- SLIP-ON
$488.99
