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!
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- Price
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FMF Powercore 2 Muffler 024079
FMF
$199.99If you're running a 2-stroke machine and leaving performance on the table, your exhaust system is likely the culprit. The FMF Powercore 2 Muffler delivers measurable gains in power and throttle response by optimizing exhaust scavenging through its...18212055- SKU:
- 18212055
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
$199.99 -
FMF Powercore 2 Shorty Muffler 024080
FMF
$199.99If you're running tight track or supercross circuits, exhaust back-pressure directly impacts your power delivery in the critical mid-range—and this is where the FMF Powercore 2 Shorty excels. The shortened core design maximizes bottom and mid-rpm output...18212056- SKU:
- 18212056
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
$199.99 -
FMF Turbinecore 2 Muffler 024081
FMF
$219.99If you're serious about extracting maximum power from your machine without compromising durability, the FMF Turbinecore 2 Muffler delivers track-proven performance through its straight-through design and optimized flow characteristics. Built for riders...18212057- SKU:
- 18212057
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
$219.99 -
FMF Powercore 2 Muffler 025281
FMF
$199.99If you're running a 2-stroke, the Powercore 2 Muffler delivers measurable performance gains through optimized exhaust scavenging while keeping weight minimal—critical for machines where every pound matters. The stainless steel end cap and front stinger...18212063- SKU:
- 18212063
- Availability:
- Ships Same Business Day
- Weight:
- 3.06 LBS
$199.99 -
FMF Turbinecore 2 Muffler 025282
FMF
$219.99The FMF Turbinecore 2 Muffler delivers the exhaust flow you need to unlock your engine's full potential without sacrificing sound control. Its straight-through design minimizes backpressure while the Turbine Dampening System keeps noise levels compliant,...18212064- SKU:
- 18212064
- Availability:
- Ships Same Business Day
- Weight:
- 3.48 LBS
$219.99 -
Pro Circuit T-6 Slip-On Muffler for 2024-2025 Kawasaki KX450F 0112225A
PRO CIRCUIT
$799.95The Pro Circuit T-6 Slip-On Muffler is engineered to unlock measurable gains in exhaust scavenging and throttle response on your 2024-2025 KX450F. By reducing backpressure and optimizing flow characteristics, this stainless steel muffler delivers both a...18212069- SKU:
- 18212069
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$799.95 -
On Sale
FMF Q Series Silencer 025298
FMF
MSRP: $219.99Now: $187.00Was: $219.99If you're running a machine that demands both legal compliance and genuine performance, the FMF Q Series Silencer doesn't force you to choose between them. The proprietary oval canister design maintains optimal exhaust flow while delivering serious sound...18212083- SKU:
- 18212083
- Availability:
- Ships Same Business Day
- Weight:
- 3.23 LBS
MSRP: $219.99Now: $187.00Was: $219.99 -
Pro Circuit 304 Silencer KTM 125 SX 2023-2025 1052312
PRO CIRCUIT
$205.95If you're running a KTM 125 SX in a competition or practice environment where noise restrictions apply, the Pro Circuit 304 Silencer delivers track-legal sound levels without sacrificing the exhaust scavenging characteristics your engine needs. The...18212075- SKU:
- 18212075
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$205.95 -
Pro Circuit 304 Silencer KTM 250 SX 2023 1052325
PRO CIRCUIT
$205.95If you're running a KTM 250 SX and want serious noise reduction without sacrificing performance, the Pro Circuit 304 Silencer delivers both. This purpose-built silencer combines lightweight construction with smart engineering to lower your acoustic...18212076- SKU:
- 18212076
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
$205.95 -
Pro Circuit R-304 Silencer for 2023-2024 KTM 125 SX 1152312
PRO CIRCUIT
$206.29The Pro Circuit R-304 Silencer delivers the performance you need without sacrificing durability or sound control. Purpose-built for the 2023-2024 KTM 125 SX, this exhaust silencer combines lightweight construction with corrosion-resistant materials to...18212077- SKU:
- 18212077
- Availability:
- Ships Same Business Day
- Weight:
- 2.26 LBS
$206.29 -
Pro Circuit Ti-2 Silencer KTM 125 SX 2023-2025 1152312K
PRO CIRCUIT
$446.95The Pro Circuit Ti-2 Silencer is engineered to maximize exhaust scavenging on your 2023-2025 KTM 125 SX, delivering measurable horsepower and torque gains while keeping noise levels compliant with track and trail regulations. A titanium construction...18212078- SKU:
- 18212078
- Availability:
- Ships Same Business Day
- Weight:
- 1.86 LBS
$446.95 -
Pro Circuit R-304 Silencer for KTM 250 SX 2023-2024 1152325
PRO CIRCUIT
$206.29The Pro Circuit R-304 Silencer delivers the exhaust flow and sound profile you need to maximize your KTM 250 SX's power output while maintaining durability through seasons of aggressive riding. Built with 304 stainless steel and precision welding, this...18212079- SKU:
- 18212079
- Availability:
- Ships Same Business Day
- Weight:
- 2.31 LBS
$206.29 -
Pro Circuit Ti-2 Silencer KTM 250 SX 2023-2024 1152325K
PRO CIRCUIT
$446.95The Pro Circuit Ti-2 Silencer delivers the power gains you need without sacrificing street legality or rider comfort. Built with premium titanium construction, this exhaust component reduces backpressure while meeting noise regulations—giving you...18212080- SKU:
- 18212080
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
$446.95 -
Pro Circuit Type 296 Spark Arrestor Silencer KTM 125 SX 2023-2025 1352312
PRO CIRCUIT
$202.95The Pro Circuit Type 296 Spark Arrestor Silencer is engineered to extract maximum exhaust flow on the 2023-2025 KTM 125 SX, translating directly to improved power delivery and throttle response when it matters most. By reducing unsprung weight at the...18212081- SKU:
- 18212081
- Availability:
- Ships Same Business Day
- Weight:
- 3.92 LBS
$202.95 -
Pro Circuit Type 296 Spark Arrestor Silencer for KTM 250 SX 2023-2024 1352325
PRO CIRCUIT
$202.95If you're running a KTM 250 SX, stock exhaust noise limits track time and trail access—the Pro Circuit Type 296 Spark Arrestor Silencer delivers race-proven noise reduction without sacrificing peak performance. This bolt-on upgrade optimizes exhaust...18212082- SKU:
- 18212082
- Availability:
- Ships Same Business Day
- Weight:
- 3.77 LBS
$202.95 -
On Sale
FMF Turbinecore Muffler 022067
FMF
MSRP: $219.99Now: $187.00Was: $219.99If you're running a high-performance off-road or powersports rig, exhaust noise restrictions can limit where and when you ride—until now. The FMF Turbinecore Muffler delivers genuine sound suppression in a compact package that won't compromise your...18212089- SKU:
- 18212089
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
MSRP: $219.99Now: $187.00Was: $219.99Qty in Cart: 0Quantity:Price:MSRP: $219.99Now: $187.00Was: $219.99Subtotal: -
Pro Circuit T-6 Slip-On Muffler for 2019-2024 Yamaha YZ250F 0131925A
PRO CIRCUIT
$799.95The Pro Circuit T-6 Slip-On Muffler is engineered to unlock measurable horsepower gains while delivering the aggressive exhaust note that serious riders demand. By optimizing exhaust scavenging and reducing backpressure, this muffler improves both...18212090- SKU:
- 18212090
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
$799.95 -
On Sale
FMF Powercore 4 Hex Slip-On Muffler 042401
FMF
MSRP: $399.99Now: $340.00Was: $399.99If you're serious about maximizing your machine's performance on the track, exhaust restriction is costing you horsepower and throttle response. The FMF Powercore 4 Hex Slip-On Muffler delivers the flow efficiency you need to unlock your engine's...18212091- SKU:
- 18212091
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
MSRP: $399.99Now: $340.00Was: $399.99 -
On Sale
FMF Q4 Hex Slip-On Muffler 042402
FMF
MSRP: $449.99Now: $382.00Was: $449.99If you're running closed-course competition, exhaust flow and weight savings directly impact your power curve and lap times. The FMF Q4 Hex Slip-On Muffler delivers measurable performance gains through optimized internal baffling and a lightweight...18212092- SKU:
- 18212092
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
MSRP: $449.99Now: $382.00Was: $449.99 -
On Sale
FMF Factory 4.1 RCT Slip-On Muffler - Stainless Steel - Carbon Fiber Cap 042403
FMF
MSRP: $674.99Now: $574.00Was: $674.99The FMF Factory 4.1 RCT delivers measurable gains in horsepower and torque while maintaining the durability required for competitive racing. Its stainless steel construction resists corrosion and thermal stress, while the carbon fiber cap reduces...18212093- SKU:
- 18212093
- Availability:
- Ships Same Business Day
- Weight:
- 7.14 LBS
MSRP: $674.99Now: $574.00Was: $674.99