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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 Powercore 2 Silencer 025102

    FMF Powercore 2 Silencer 025102

    FMF

    $199.99
    The FMF Powercore 2 Silencer is the go-to choice for 2-stroke racers and trail riders who demand consistent performance across varied conditions. Its proven elliptical design and perforated core deliver optimal sound suppression without sacrificing power...
    18211452
    SKU:
    18211452
    Availability:
    Ships Same Business Day
    Weight:
    2.14 LBS
    BASE COLOR:
    SILVER
    END CAP COLOR/FINISH:
    STAINLESS STEEL
    END CAP STYLE:
    CONICAL
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    POWERCORE 2
    STYLE:
    ELLIPTICAL
    TYPE:
    SLIP-ON SILENCER
    UNITS:
    EACH
    COLOR/FINISH:
    SILVER
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    Subtotal:
  • FMF PowerCore 4 HEX Muffler 042309

    FMF PowerCore 4 HEX Muffler 042309

    FMF

    $399.99
    The FMF PowerCore 4 HEX Muffler delivers measurable gains in power and torque while maintaining the durability you need for consistent track or trail performance. Its advanced internal geometry and premium construction eliminate restrictive exhaust...
    18211521
    SKU:
    18211521
    Availability:
    Ships Same Business Day
    Weight:
    6.57 LBS
    MUFFLER COLOR/FINISH:
    RAW
    MUFFLER MATERIAL:
    ALUMINUM
    MODEL:
    POWERCORE 4 HEX
    PIPE MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Anodized Titanium 042267

    FMF Factory 4.1 RCT Muffler - Anodized Titanium 042267

    FMF

    $749.99
    If you're serious about extracting maximum horsepower while cutting unnecessary weight, the FMF Factory 4.1 RCT Muffler delivers measurable gains across the entire RPM band without compromise. Its compact, centralized design reduces unsprung mass and...
    18211227
    SKU:
    18211227
    Availability:
    Ships Same Business Day
    Weight:
    7.89 LBS
    PIPE MATERIAL:
    TITANIUM
    UNITS:
    EACH
    END CAP MATERIAL:
    CARBON FIBER
    MODEL:
    FACTORY 4.1 RCT
    MUFFLER COLOR/FINISH:
    ANODIZED BLUE
    MUFFLER MATERIAL:
    TITANIUM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    PRODUCT NAME:
    MUFFLER
    Qty in Cart: 0
    Quantity:
    Price:
    $749.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Anodized Titanium 045570

    FMF Factory 4.1 RCT Muffler - Anodized Titanium 045570

    FMF

    $649.99
    If you're running a high-performance build, exhaust flow is where real power gains happen—and the FMF Factory 4.1 RCT delivers across the entire RPM band without adding weight to your chassis. The Resonance Chamber Technology™ design optimizes scavenging...
    18211644
    SKU:
    18211644
    Availability:
    Ships Same Business Day
    Weight:
    6.70 LBS
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MODEL:
    FACTORY 4.1 RCT
    MUFFLER COLOR/FINISH:
    ANODIZED BLUE
    PIPE MATERIAL:
    TITANIUM
    END CAP MATERIAL:
    CARBON FIBER
    MUFFLER MATERIAL:
    TITANIUM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $649.99
    Subtotal:
  • FMF Powercore 4 Muffler 044312

    FMF Powercore 4 Muffler 044312

    FMF

    $359.99
    If you're looking to unlock measurable power gains across your entire power band without sacrificing durability or rideability, the FMF Powercore 4 Muffler delivers a straightforward performance upgrade that works across all riding styles. The...
    18211027
    SKU:
    18211027
    Availability:
    Ships Same Business Day
    Weight:
    5.15 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    STYLE:
    OVAL
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    CONICAL
    MODEL:
    POWERCORE 4
    BASE COLOR:
    SILVER
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    UNITS:
    EACH
    TYPE:
    SLIP-ON
    $359.99
    Qty in Cart: 0
    Quantity:
    Price:
    $359.99
    Subtotal:
  • FMF Powercore 4 Muffler 044141

    FMF Powercore 4 Muffler 044141

    FMF

    $359.99
    The FMF Powercore 4 Muffler (044141) delivers measurable horsepower and torque gains across your entire power curve—without sacrificing rideability or forcing you to compromise on durability. Built from aluminum with stainless steel Hi-Flo end caps, this...
    18210363
    SKU:
    18210363
    Availability:
    Ships Same Business Day
    Weight:
    6.05 LBS
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    CONICAL
    UNITS:
    EACH
    MODEL:
    POWERCORE 4
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    $359.99
    Qty in Cart: 0
    Quantity:
    Price:
    $359.99
    Subtotal:
  • FMF Factory 4.1 Muffler - Anodized Titanium 041291

    FMF Factory 4.1 Muffler - Anodized Titanium 041291

    FMF

    $499.99
    The FMF Factory 4.1 Muffler delivers measurable horsepower gains across the entire RPM range while centralizing mass for improved chassis dynamics and handling. Built from anodized titanium, this exhaust component offers the weight savings and durability...
    18210547
    SKU:
    18210547
    Availability:
    Ships Same Business Day
    Weight:
    5.69 LBS
    STYLE:
    OVAL
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP STYLE:
    EURO
    MODEL:
    FACTORY 4.1
    MUFFLER MATERIAL:
    TITANIUM
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER COLOR/FINISH:
    ANODIZED BLUE
    PIPE MATERIAL:
    TITANIUM
    Qty in Cart: 0
    Quantity:
    Price:
    $499.99
    Subtotal:
  • FMF Factory 4.1 Muffler - Anodized Titanium 044235

    FMF Factory 4.1 Muffler - Anodized Titanium 044235

    FMF

    $499.99
    If you're looking to unlock measurable horsepower gains across your entire powerband while reducing unsprung weight, the FMF Factory 4.1 delivers real performance improvements backed by proven engineering. The anodized titanium construction provides...
    18210584
    SKU:
    18210584
    Availability:
    Ships Same Business Day
    Weight:
    6.25 LBS
    END CAP STYLE:
    EURO
    MUFFLER COLOR/FINISH:
    ANODIZED BLUE
    MUFFLER MATERIAL:
    TITANIUM
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    FACTORY 4.1
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    STYLE:
    OVAL
    Qty in Cart: 0
    Quantity:
    Price:
    $499.99
    Subtotal:
  • FMF Q4 Muffler 041249

    FMF Q4 Muffler 041249

    FMF

    $449.99
    If you're running off-road, the FMF Q4 Muffler delivers genuine quiet power without the typical performance penalty that comes with most silencers. This muffler absorbs sound through precisely engineered baffles and chambers while maintaining the power...
    18210653
    SKU:
    18210653
    Availability:
    Ships Same Business Day
    Weight:
    7.15 LBS
    END CAP STYLE:
    EURO
    MUFFLER COLOR/FINISH:
    RAW
    MUFFLER MATERIAL:
    ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    MODEL:
    Q4
    PRODUCT NAME:
    MUFFLER
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Powercore 4 Muffler 041275

    FMF Powercore 4 Muffler 041275

    FMF

    $399.99
    The FMF Powercore 4 Muffler delivers measurable gains across your entire power curve—horsepower and torque improvements that translate to real-world performance on every ride. Built from lightweight aluminum with stainless steel Hi-Flo end caps, this...
    18210664
    SKU:
    18210664
    Availability:
    Ships Same Business Day
    Weight:
    6.31 LBS
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    CONICAL
    UNITS:
    EACH
    MODEL:
    POWERCORE 4
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Powercore 4 Muffler 041276

    FMF Powercore 4 Muffler 041276

    FMF

    $399.99
    If you're looking for measurable power gains across your entire rev range without sacrificing durability or rideability, the FMF Powercore 4 delivers consistent performance whether you're on the track or the trail. The engineering here is...
    18210665
    SKU:
    18210665
    Availability:
    Ships Same Business Day
    Weight:
    14.00 LBS
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MODEL:
    POWERCORE 4
    MUFFLER MATERIAL:
    ALUMINUM
    STYLE:
    OVAL
    END CAP STYLE:
    CONICAL
    UNITS:
    EACH
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Powercore 4 Muffler 042122

    FMF Powercore 4 Muffler 042122

    FMF

    $399.99
    The FMF Powercore 4 Muffler delivers measurable horsepower and torque gains across the entire power band without sacrificing durability or rideability. Whether you're pushing hard on the track or exploring varying terrain, this exhaust system produces...
    18210671
    SKU:
    18210671
    Availability:
    Ships Same Business Day
    Weight:
    6.55 LBS
    MODEL:
    POWERCORE 4
    MUFFLER MATERIAL:
    ALUMINUM
    STYLE:
    OVAL
    PRODUCT NAME:
    MUFFLER
    TYPE:
    SLIP-ON
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    END CAP STYLE:
    CONICAL
    UNITS:
    EACH
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Powercore 4 Muffler 045135

    FMF Powercore 4 Muffler 045135

    FMF

    $399.99
    The FMF Powercore 4 Muffler (045135) delivers measurable horsepower and torque gains across your entire power curve—not just at peak RPM—making usable power accessible whether you're cruising, carving canyons, or pushing hard at the track. Its aluminum...
    18210689
    SKU:
    18210689
    Availability:
    Ships Same Business Day
    Weight:
    5.87 LBS
    MODEL:
    POWERCORE 4
    MUFFLER MATERIAL:
    ALUMINUM
    STYLE:
    OVAL
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP STYLE:
    CONICAL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Q4 Muffler 041332

    FMF Q4 Muffler 041332

    FMF

    $379.99
    If you're running off-road and need to meet sound regulations without sacrificing performance, the FMF Q4 Muffler delivers championship-proven quiet power. Developed through years of competitive racing, this muffler uses precision baffle engineering to...
    18210887
    SKU:
    18210887
    Availability:
    Ships Same Business Day
    Weight:
    5.30 LBS
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    END CAP STYLE:
    CONICAL
    MODEL:
    Q4
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    MUFFLER COLOR/FINISH:
    RAW
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    Qty in Cart: 0
    Quantity:
    Price:
    $379.99
    Subtotal:
  • FMF PowerCore 4 HEX Muffler 043370

    FMF PowerCore 4 HEX Muffler 043370

    FMF

    $399.99
    If you're looking to unlock measurable power and torque gains while maintaining reliability on the track or trail, the FMF PowerCore 4 HEX delivers the flow efficiency and durability you need. This muffler combines high-performance engineering with...
    18211956
    SKU:
    18211956
    Availability:
    Ships Same Business Day
    Weight:
    6.60 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    UNITS:
    EACH
    MODEL:
    POWERCORE 4 HEX
    MUFFLER COLOR/FINISH:
    RAW
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 020358

    FMF Turbinecore 2 Silencer 020358

    FMF

    $219.99
    The FMF Turbinecore 2 Silencer delivers precision exhaust management without compromising your engine's breathing characteristics. Its straight-through design and Performance Flow stainless steel construction eliminate restrictive backpressure while...
    FMFSA8203
    SKU:
    FMFSA8203
    Availability:
    Ships Same Business Day
    Weight:
    3.05 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 020331

    FMF Turbinecore 2 Silencer 020331

    FMF

    $219.99
    If you're running a high-revving engine that demands maximum exhaust flow without sacrificing durability, the FMF Turbinecore 2 Silencer delivers straight-through performance in a compact, race-proven package. The Turbine Dampening System absorbs...
    FMFSA6207
    SKU:
    FMFSA6207
    Availability:
    Ships Same Business Day
    Weight:
    2.88 LBS
    RIDING STYLE:
    OFF-ROAD
    END CAP STYLE:
    CONICAL
    MODEL:
    TURBINECORE 2
    PRODUCT NAME:
    MUFFLER
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    UNITS:
    EACH
    WEIGHT IMPERIAL:
    2.7 LB
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Powercore 2 Shorty Silencer 020289

    FMF Powercore 2 Shorty Silencer 020289

    FMF

    $199.99
    In supercross, every millisecond of throttle response matters—and the FMF Powercore 2 Shorty Silencer is engineered specifically to deliver it. The shortened canister and core design eliminates unnecessary exhaust path length, giving you a sharper power...
    FMF92012
    SKU:
    FMF92012
    Availability:
    Ships Same Business Day
    Weight:
    1.81 LBS
    MUFFLER MATERIAL:
    ALUMINUM
    STYLE:
    OVAL
    END CAP STYLE:
    CONICAL
    TYPE:
    SLIP-ON
    PRODUCT NAME:
    SILENCER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MODEL:
    POWERCORE 2 SHORTY
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    Subtotal:
  • FMF Powercore Silencer 020256

    FMF Powercore Silencer 020256

    FMF

    $199.99
    The FMF Powercore Silencer delivers the deep, aggressive exhaust note serious riders demand while maintaining dyno-tuned performance characteristics that won't sacrifice power. If you're running forced induction or pushing peak RPM, this silencer's...
    FMF816
    SKU:
    FMF816
    Availability:
    Ships Same Business Day
    Weight:
    1.56 LBS
    PRODUCT NAME:
    SILENCER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    STYLE:
    OVAL
    WEIGHT IMPERIAL:
    2.1 LB
    MODEL:
    POWERCORE
    MUFFLER MATERIAL:
    6061 T6 ALUMINUM
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    END CAP STYLE:
    STRAIGHT-CUT
    MUFFLER COLOR/FINISH:
    ANODIZED CLEAR
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    Subtotal:
  • FMF Powercore 2 Silencer 020214

    FMF Powercore 2 Silencer 020214

    FMF

    $199.99
    The FMF Powercore 2 Silencer is the proven choice for 2-stroke racers and trail riders who demand consistent power delivery across all RPM ranges and riding conditions. Its perforated core design balances optimal exhaust scavenging with effective sound...
    FMF6208
    SKU:
    FMF6208
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    BASE COLOR:
    SILVER
    MATERIAL:
    ALUMINUM
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    POWERCORE 2
    TYPE:
    SLIP-ON SILENCER
    COLOR/FINISH:
    SILVER
    END CAP STYLE:
    CONICAL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    MUFFLER
    UNITS:
    EACH
    END CAP COLOR/FINISH:
    STAINLESS STEEL
    STYLE:
    ELLIPTICAL
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    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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