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
-
Pro Circuit 304 Silencer Suzuki RM125 1989-1992 SS89125-304
PRO CIRCUIT
$205.95If you're running a Suzuki RM125 and tire of stock exhaust limitations, the Pro Circuit 304 Silencer delivers measurable gains in mid-range power while keeping sound levels compliant with track regulations. The 6061 T-6 aluminum construction keeps...SS89125304- SKU:
- SS89125304
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
$205.95 -
Pro Circuit 304 Silencer Suzuki RM 250 1989-1990 SS89250-304
PRO CIRCUIT
$205.95If you're running a 1989-1990 Suzuki RM 250 and tired of choosing between peak performance and track-legal noise compliance, the Pro Circuit 304 Silencer delivers both. This FIM-approved silencer maintains competitive mid-to-high RPM power while meeting...SS89250304- SKU:
- SS89250304
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
$205.95 -
Pro Circuit 304 Silencer Yamaha YZ85 2019-2025 1031985
PRO CIRCUIT
$205.95The Pro Circuit 304 Factory Sound Silencer delivers measurable horsepower gains through optimized exhaust scavenging while keeping your YZ85 compliant with noise restrictions—a critical advantage in competitive and recreational riding. The 6061 T6...18201889- SKU:
- 18201889
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- MATERIAL:
- STAINLESS STEEL
- TYPE:
- EXHAUST
- UNITS:
- EACH
- BASE FINISH:
- NATURAL
- PRODUCT NAME:
- PIPE
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- MODEL:
- 304 FACTORY
- RIDING STYLE:
- OFF-ROAD
$205.95 -
Pro Circuit R-304 Silencer KTM 250 SX 2017-2018 1151725
PRO CIRCUIT
$206.29Two-stroke racers know that exhaust flow directly translates to power on the track—restrictive silencers cost you RPMs and throttle response when you need them most. The Pro Circuit R-304 Shorty combines a compact footprint with precision internal...18211776- SKU:
- 18211776
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- R-304
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$206.29 -
Pro Circuit R-304 Silencer KTM 65 SX 2016-2022 1151665
PRO CIRCUIT
$206.29If you're running a KTM 65 SX in competitive two-stroke racing, exhaust flow directly impacts power delivery and throttle response. The Pro Circuit R-304 Silencer delivers measurable performance gains while maintaining the durability required for...18211767- SKU:
- 18211767
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- R-304
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
$206.29 -
Pro Circuit 304 Silencer Yamaha YZ125 2002-2021 SY02125-SE
PRO CIRCUIT
$205.95If you're running a YZ125 and want to shave weight while maintaining race-legal sound compliance, the Pro Circuit 304 Silencer delivers measurable gains without compromise. The combination of 6061-T6 aluminum construction and E-Glass packing gives you...SY02125SE- SKU:
- SY02125SE
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
$205.95 -
Pro Circuit 304 Silencer KTM 300 XC 2017-2018 1051725
PRO CIRCUIT
$171.95If you're running a KTM 300 XC in competition or high-intensity trail riding, you need a silencer that doesn't compromise power for noise compliance. The Pro Circuit 304 Factory Sound Silencer delivers FIM-approved performance while keeping your bike...18211775- SKU:
- 18211775
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- MUFFLER COLOR/FINISH:
- BRUSHED
- MODEL:
- 304
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- STYLE:
- ROUND
$171.95Qty in Cart: 0Quantity:Price:$171.95Subtotal: -
Pro Circuit R-304 Silencer Kawasaki KX85 2001-2025 SK98080-R
PRO CIRCUIT
$206.29The Pro Circuit R-304 Silencer is engineered for KX85 riders who refuse to leave power on the track. By optimizing exhaust flow dynamics, this shorty silencer delivers measurable horsepower gains while keeping unsprung weight to a minimum—critical for...SK98080R- SKU:
- SK98080R
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- R-304
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
$206.29 -
Pro Circuit R-304 Silencer Yamaha YZ125 2002-2021 SY02125-RE
PRO CIRCUIT
$206.29If you're running a YZ125 in closed-course racing, exhaust flow directly impacts throttle response and mid-range power delivery. The Pro Circuit R-304 Shorty Silencer gives you measurable performance gains without the weight penalty of heavier...SY02125RE- SKU:
- SY02125RE
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$206.29 -
Pro Circuit R-304 Shorty Silencer Yamaha YZ250 2003-2025 SY03250-RE
PRO CIRCUIT
$206.29Competitive riding demands an exhaust system that balances raw power with precision engineering—and the Pro Circuit R-304 Shorty Silencer delivers both without compromise. Built for Yamaha YZ250 models (2003–2025), this compact silencer maximizes exhaust...SY03250RE- SKU:
- SY03250RE
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
$206.29 -
Pro Circuit R-304 Silencer Honda CR250R 2002-2003 SH02250-RE
PRO CIRCUIT
$206.29Two-stroke racing demands precision in every component, and your exhaust system is no exception. The Pro Circuit R-304 Shorty Silencer delivers measurable gains in power delivery through optimized scavenging while cutting rotational mass—critical...SH02250RE- SKU:
- SH02250RE
- Availability:
- Ships Same Business Day
- Weight:
- 2.18 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- MODEL:
- R-304
- MUFFLER COLOR/FINISH:
- BRUSHED
- UNITS:
- EACH
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- OFF-ROAD
$206.29 -
Pro Circuit Ti-2 Silencer Yamaha YZ125 2002-2021 1131412K
PRO CIRCUIT
$446.95The Pro Circuit Ti-2 Silencer delivers measurable power gains and refined throttle response on your YZ125 by optimizing exhaust scavenging and reducing back pressure. Built with titanium and carbon-Kevlar construction, it cuts weight while withstanding...18211655- SKU:
- 18211655
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- END CAP MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SILENCER
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- MODEL:
- TI-2
- MUFFLER MATERIAL:
- CARBON-ARAMID FIBER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$446.95 -
Pro Circuit T-6 Slip-On Exhaust Kawasaki KX450F 2019-2022 0121945A
PRO CIRCUIT
$799.95The Pro Circuit T-6 Slip-On delivers measurable gains in power delivery and throttle response while keeping weight minimal—critical advantages whether you're chasing lap times or tackling technical terrain. Its stainless steel construction and...18211891- SKU:
- 18211891
- Availability:
- Ships Same Business Day
- Weight:
- 10.20 LBS
- MODEL:
- T-6
- UNITS:
- EACH
- PRODUCT NAME:
- SILENCER
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$799.95 -
Pro Circuit T-6 Slip-On Silencer Kawasaki KX250F 2021-2024 0122125A
PRO CIRCUIT
$779.95The Pro Circuit T-6 slip-on silencer unlocks measurable performance gains on your KX250F while delivering the durability needed for both trail and competition use. A properly tuned exhaust system reduces backpressure, improves throttle response, and...18212030- SKU:
- 18212030
- Availability:
- Ships Same Business Day
- Weight:
- 9.90 LBS
- TYPE:
- SLIP-ON
- COLOR/FINISH:
- STAINLESS STEEL
- MODEL:
- T-6
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
$779.95 -
Pro Circuit 304 Silencer Honda CR250R 1992-1996 SH92250-SE
PRO CIRCUIT
$205.95If you're running a CR250R in the 1992-1996 range, exhaust flow directly impacts your two-stroke's power delivery and rideability. The Pro Circuit 304 Factory Sound Silencer delivers measurable performance gains while keeping noise levels compliant with...SH92250SE- SKU:
- SH92250SE
- Availability:
- Ships Same Business Day
- Weight:
- 2.21 LBS
- STYLE:
- ROUND
- MUFFLER COLOR/FINISH:
- BRUSHED
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- MODEL:
- 304
- TYPE:
- SLIP-ON
$205.95 -
FMF Factory 4.1 RCT Muffler - Aluminum 042290
FMF
$599.99If you're serious about extracting maximum power while reducing unsprung weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM band without compromise. The Resonance Chamber Technology™ and optimized mass centralization give you...18211391- SKU:
- 18211391
- Availability:
- Ships Same Business Day
- Weight:
- 8.83 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$599.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 042291
FMF
$599.99If you're serious about extracting maximum power from your engine while reducing weight and minimizing crash vulnerability, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM range. By centralizing mass through Factory Forward...18211392- SKU:
- 18211392
- Availability:
- Ships Same Business Day
- Weight:
- 8.72 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
$599.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 042292
FMF
$599.99If you're serious about extracting maximum performance from your bike while reducing weight and minimizing crash damage risk, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM range. FMF's Resonance Chamber Technology™ optimizes...18211393- SKU:
- 18211393
- Availability:
- Ships Same Business Day
- Weight:
- 8.74 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
$599.99Qty in Cart: 0Quantity:Price:$599.99Subtotal: -
FMF Q4 Muffler 043380
FMF
$449.99The FMF Q4 Muffler delivers the optimal balance of aggressive sound and real-world performance gains by reducing back pressure while maintaining street legality. If you're running a high-revving engine that demands efficient exhaust flow without...18212045- SKU:
- 18212045
- Availability:
- Ships Same Business Day
- Weight:
- 7.15 LBS
- END CAP STYLE:
- SLASH-CUT
- PRODUCT NAME:
- MUFFLER
- MATERIAL:
- ALUMINUM
- MODEL:
- Q4 HEX
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- UNITS:
- EACH
$449.99 -
FMF Powercore 4 HEX Muffler 044462
FMF
$399.99If you're looking to unlock measurable gains in power and torque without sacrificing reliability, the FMF Powercore 4 HEX delivers. This muffler combines high-flow design with durable construction to keep you performing at your peak, lap after lap...18212010- SKU:
- 18212010
- Availability:
- Ships Same Business Day
- Weight:
- 7.90 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4 HEX
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
$399.99Qty in Cart: 0Quantity:Price:$399.99Subtotal:
