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Dirt Bike Silencers/Mufflers

Dirt Bike Silencers/Mufflers

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

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 Mini PowerCore 4 Slip-On Muffler - without Spark Arrestor - CRF110F '19+ 041579

    FMF

    $209.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $209.99
    Subtotal:
  • FMF Mini PowerCore 4 Slip-On Muffler - with Spark Arrestor 041580

    FMF Mini PowerCore 4 Slip-On Muffler - with Spark Arrestor 041580

    FMF

    $239.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $239.99
    Subtotal:
  • FMF Turbinecore 2.1 Muffler 025273

    FMF Turbinecore 2.1 Muffler 025273

    FMF

    $269.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
    Subtotal:
  • FMF Q4 HEX Muffler 045646

    FMF Q4 HEX Muffler 045646

    FMF

    $449.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Aluminum 045647

    FMF Factory 4.1 RCT Muffler - Aluminum 045647

    FMF

    $549.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $549.99
    Subtotal:
  • FMF Powercore 4 HEX Muffler 045666

    FMF Powercore 4 HEX Muffler 045666

    FMF

    $399.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Q4 HEX Muffler 045667 FMF Q4 HEX Muffler 045667

    FMF Q4 HEX Muffler 045667

    FMF

    $449.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Anodized Titanium 045668

    FMF Factory 4.1 RCT Muffler - Anodized Titanium 045668

    FMF

    $749.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $749.99
    Subtotal:
  • FMF Powercore 2.1 Muffler - Aluminum 025278

    FMF Powercore 2.1 Muffler - Aluminum 025278

    FMF

    $239.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $239.99
    Subtotal:
  • FMF Powercore 2.1 Muffler - Titanium 025279

    FMF Powercore 2.1 Muffler - Titanium 025279

    FMF

    $449.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Powercore 4 Muffler 042387

    FMF Powercore 4 Muffler 042387

    FMF

    $399.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Q4 Muffler 042388

    FMF Q4 Muffler 042388

    FMF

    $449.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 020370

    FMF Turbinecore 2 Silencer 020370

    FMF

    $219.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 020362

    FMF Turbinecore 2 Silencer 020362

    FMF

    $219.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 020361

    FMF Turbinecore 2 Silencer 020361

    FMF

    $219.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 020357

    FMF Turbinecore 2 Silencer 020357

    FMF

    $219.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Turbinecore Spark Arrestor Silencer 020353

    FMF Turbinecore Spark Arrestor Silencer 020353

    FMF

    $219.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 020344

    FMF Turbinecore 2 Silencer 020344

    FMF

    $219.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 020340

    FMF Turbinecore 2 Silencer 020340

    FMF

    $219.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 020339

    FMF Turbinecore 2 Silencer 020339

    FMF

    $219.99
    The 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
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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