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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 Q4 Muffler 044195 FMF Q4 Muffler 044195

    FMF Q4 Muffler 044195

    FMF

    $449.99
    If you're running serious off-road miles, you know that a poorly designed muffler will either choke your engine's potential or destroy your hearing—sometimes both. The FMF Q4 delivers championship-level sound suppression without sacrificing the power...
    18210676
    SKU:
    18210676
    Availability:
    Ships Same Business Day
    Weight:
    7.44 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    BASE COLOR:
    SILVER
    END CAP STYLE:
    CONICAL
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER COLOR/FINISH:
    RAW
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    MODEL:
    Q4
    MUFFLER MATERIAL:
    ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    MUFFLER
    UNITS:
    EACH
    $449.99
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Q4 Muffler 044199 FMF Q4 Muffler 044199

    FMF Q4 Muffler 044199

    FMF

    $449.99
    If you're running off-road and need to meet sound regulations without sacrificing performance, the FMF Q4 Muffler delivers legitimate quiet power through precision engineering—not compromise. Developed from years of championship racing, this muffler uses...
    18210678
    SKU:
    18210678
    Availability:
    Ships Same Business Day
    Weight:
    8.63 LBS
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MODEL:
    Q4
    MUFFLER COLOR/FINISH:
    RAW
    MUFFLER MATERIAL:
    ALUMINUM
    STYLE:
    OVAL
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    CONICAL
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    $449.99
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Powercore 4 Muffler 044220

    FMF Powercore 4 Muffler 044220

    FMF

    $399.99
    The FMF Powercore 4 Muffler delivers measurable horsepower and torque gains across your entire power curve without sacrificing durability or ride-ability. Whether you're hammering a track or cruising trails, this exhaust upgrade provides usable...
    18210680
    SKU:
    18210680
    Availability:
    Ships Same Business Day
    Weight:
    6.44 LBS
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MODEL:
    POWERCORE 4
    MUFFLER MATERIAL:
    ALUMINUM
    STYLE:
    OVAL
    END CAP STYLE:
    CONICAL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    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 044222

    FMF Powercore 4 Muffler 044222

    FMF

    $399.99
    If you're looking to unlock measurable power gains across your entire power band without compromising durability, the FMF Powercore 4 Muffler delivers real performance where it counts. The intelligent chambering design produces usable torque and...
    18210681
    SKU:
    18210681
    Availability:
    Ships Same Business Day
    Weight:
    6.56 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MODEL:
    POWERCORE 4
    MUFFLER MATERIAL:
    ALUMINUM
    STYLE:
    OVAL
    BASE COLOR:
    SILVER
    END CAP STYLE:
    CONICAL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 025096

    FMF Turbinecore 2 Silencer 025096

    FMF

    $219.99
    The FMF Turbinecore 2 Silencer delivers the acoustic control and durability serious riders demand without sacrificing the exhaust flow your engine needs to breathe. Its straight-through design eliminates backpressure while the stainless steel...
    18210800
    SKU:
    18210800
    Availability:
    Ships Same Business Day
    Weight:
    3.23 LBS
    BASE COLOR:
    SILVER
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    END CAP MATERIAL:
    STAINLESS STEEL
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    END CAP STYLE:
    CONICAL
    MODEL:
    TURBINECORE 2
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $219.99
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Powercore 4 Muffler 042160

    FMF Powercore 4 Muffler 042160

    FMF

    $269.99
    If you're running a Mini and want measurable gains in exhaust flow without the fabrication hassle, the FMF Powercore 4 delivers. This bolt-on muffler reduces backpressure while cutting weight, giving you better throttle response and a noticeable...
    18210807
    SKU:
    18210807
    Availability:
    Ships Same Business Day
    Weight:
    5.25 LBS
    END CAP STYLE:
    CONICAL
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    SILVER
    WEIGHT IMPERIAL:
    2.5 LB
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    POWERCORE 4
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    MUFFLER MATERIAL:
    ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    MUFFLER
    UNITS:
    EACH
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
    Subtotal:
  • FMF Powercore 4 Muffler 042161

    FMF Powercore 4 Muffler 042161

    FMF

    $289.99
    The FMF Powercore 4 Muffler delivers measurable performance gains without breaking your budget—a genuine bolt-on upgrade that reduces exhaust restriction while shedding unnecessary weight. If you're looking to improve throttle response and free up...
    18210808
    SKU:
    18210808
    Availability:
    Ships Same Business Day
    Weight:
    5.20 LBS
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    BASE COLOR:
    SILVER
    MODEL:
    POWERCORE 4
    UNITS:
    EACH
    WEIGHT IMPERIAL:
    2.9 LB
    END CAP STYLE:
    CONICAL
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    END CAP MATERIAL:
    STAINLESS STEEL
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    $289.99
    Qty in Cart: 0
    Quantity:
    Price:
    $289.99
    Subtotal:
  • FMF Powercore 2 Silencer 025064

    FMF Powercore 2 Silencer 025064

    FMF

    $199.99
    The FMF Powercore 2 Silencer delivers consistent power delivery across the entire RPM range, whether you're racing at the track or pushing through varied terrain. Its proven elliptical design and perforated core architecture minimize back-pressure while...
    18210021
    SKU:
    18210021
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    ALUMINUM
    TYPE:
    SLIP-ON SILENCER
    BASE COLOR:
    SILVER
    END CAP COLOR/FINISH:
    STAINLESS STEEL
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    POWERCORE 2
    STYLE:
    ELLIPTICAL
    COLOR/FINISH:
    SILVER
    END CAP STYLE:
    CONICAL
    UNITS:
    EACH
    $199.99
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    Subtotal:
  • FMF Powercore 2 Shorty Silencer 025065

    FMF Powercore 2 Shorty Silencer 025065

    FMF

    $199.99
    If you're serious about supercross performance, silencer design directly impacts your power delivery and throttle response. The FMF Powercore 2 Shorty Silencer reduces overall length to sharpen your machine's hit off the line—a critical advantage in...
    18210022
    SKU:
    18210022
    Availability:
    Ships Same Business Day
    Weight:
    1.80 LBS
    TYPE:
    SLIP-ON
    MODEL:
    POWERCORE 2 SHORTY
    MUFFLER MATERIAL:
    ALUMINUM
    STYLE:
    OVAL
    END CAP STYLE:
    CONICAL
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    $199.99
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 025067

    FMF Turbinecore 2 Silencer 025067

    FMF

    $219.99
    The FMF Turbinecore 2 Silencer delivers maximum exhaust flow with minimal backpressure, allowing your engine to breathe freely and produce measurable power gains across the RPM range. Built with premium stainless steel construction and FMF's proven...
    18210024
    SKU:
    18210024
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    MODEL:
    TURBINECORE 2
    BASE COLOR:
    SILVER
    END CAP STYLE:
    CONICAL
    UNITS:
    EACH
    PRODUCT NAME:
    MUFFLER
    END CAP MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    WEIGHT IMPERIAL:
    2.4 LB
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Powercore 2 Silencer 025258

    FMF Powercore 2 Silencer 025258

    FMF

    $199.99
    If you're running a 2-stroke engine, exhaust flow directly impacts your power delivery and throttle response. The FMF Powercore 2 Silencer delivers proven performance across varied terrain and riding conditions without sacrificing sound management. Its...
    18211947
    SKU:
    18211947
    Availability:
    Ships Same Business Day
    Weight:
    2.51 LBS
    BASE COLOR:
    SILVER
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    ELLIPTICAL
    UNITS:
    EACH
    MODEL:
    POWERCORE 2
    TYPE:
    SLIP-ON SILENCER
    COLOR/FINISH:
    SILVER
    END CAP COLOR/FINISH:
    SILVER
    END CAP STYLE:
    CONICAL
    $199.99
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    Subtotal:
  • FMF Powercore 2 Shorty Silencer 025259

    FMF Powercore 2 Shorty Silencer 025259

    FMF

    $199.99
    If you're running tight supercross tracks or technical courses where mid-range power makes the difference, the FMF Powercore 2 Shorty delivers tuned performance exactly where you need it. The shortened inner core and lightweight aluminum canister...
    18211948
    SKU:
    18211948
    Availability:
    Ships Same Business Day
    Weight:
    2.29 LBS
    PRODUCT NAME:
    SILENCER
    END CAP STYLE:
    CONICAL
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    BASE COLOR:
    SILVER
    MODEL:
    POWERCORE 2 SHORTY
    MUFFLER MATERIAL:
    ALUMINUM
    $199.99
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 025260

    FMF Turbinecore 2 Silencer 025260

    FMF

    $219.99
    If you're serious about maximizing your engine's power output without sacrificing reliability, exhaust restriction is costing you performance. The FMF Turbinecore 2 Silencer eliminates backpressure with its straight-through design while the exclusive...
    18211949
    SKU:
    18211949
    Availability:
    Ships Same Business Day
    Weight:
    3.13 LBS
    END CAP STYLE:
    CONICAL
    UNITS:
    EACH
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    TURBINECORE 2
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    $219.99
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Powercore 2 Silencer 025261

    FMF Powercore 2 Silencer 025261

    FMF

    $199.99
    The FMF Powercore 2 Silencer delivers the performance consistency that serious 2-stroke racers and riders demand across varying track conditions and elevations. Its proven elliptical design with perforated core technology balances optimal exhaust...
    18211950
    SKU:
    18211950
    Availability:
    Ships Same Business Day
    Weight:
    2.82 LBS
    COLOR/FINISH:
    SILVER
    END CAP COLOR/FINISH:
    SILVER
    PRODUCT NAME:
    MUFFLER
    BASE COLOR:
    SILVER
    MODEL:
    POWERCORE 2
    TYPE:
    SLIP-ON SILENCER
    END CAP STYLE:
    CONICAL
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    ELLIPTICAL
    $199.99
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 025262

    FMF Turbinecore 2 Silencer 025262

    FMF

    $219.99
    The FMF Turbinecore 2 Silencer delivers the performance exhaust note you're after while maintaining the durability required for serious riding. Its straight-through design eliminates restrictive baffles that choke power, giving you measurable gains in...
    18211951
    SKU:
    18211951
    Availability:
    Ships Same Business Day
    Weight:
    3.27 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 Q4 HEX Muffler 041578

    FMF Q4 HEX Muffler 041578

    FMF

    $449.99
    The FMF Q4 HEX Muffler delivers measurable power gains across your entire RPM range while cutting weight and keeping sound levels low enough to maintain ground clearance on technical terrain. Its multi-stage chamber design and proprietary packing...
    18211952
    SKU:
    18211952
    Availability:
    Ships Same Business Day
    Weight:
    7.50 LBS
    PIPE MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MUFFLER COLOR/FINISH:
    RAW
    MUFFLER MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    Q4 HEX
    $449.99
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Aluminum 042374

    FMF Factory 4.1 RCT Muffler - Aluminum 042374

    FMF

    $599.99
    If you're serious about extracting maximum power from your machine while cutting unnecessary weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM range without compromise. By centralizing mass closer to the motor through...
    18211953
    SKU:
    18211953
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    END CAP MATERIAL:
    CARBON FIBER
    MODEL:
    FACTORY 4.1 RCT
    MUFFLER COLOR/FINISH:
    RAW
    MUFFLER MATERIAL:
    ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    $599.99
    Qty in Cart: 0
    Quantity:
    Price:
    $599.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Anodized Titanium 042376

    FMF Factory 4.1 RCT Muffler - Anodized Titanium 042376

    FMF

    $749.99
    If you're serious about maximizing your bike's performance while reducing unsprung weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM range without compromise. The shorter profile and centralized mass design improve handling...
    18211955
    SKU:
    18211955
    Availability:
    Ships Same Business Day
    Weight:
    6.70 LBS
    PIPE MATERIAL:
    TITANIUM
    UNITS:
    EACH
    END CAP MATERIAL:
    CARBON FIBER
    MODEL:
    FACTORY 4.1 RCT
    MUFFLER COLOR/FINISH:
    ANODIZED BLUE
    MUFFLER MATERIAL:
    TITANIUM
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    $749.99
    Qty in Cart: 0
    Quantity:
    Price:
    $749.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Aluminum 043372

    FMF Factory 4.1 RCT Muffler - Aluminum 043372

    FMF

    $599.99
    If you're running a high-performance engine, your exhaust system is either unlocking or limiting your potential. The FMF Factory 4.1 RCT Muffler delivers measurable power gains across the entire RPM range while shedding unnecessary weight—critical...
    18211958
    SKU:
    18211958
    Availability:
    Ships Same Business Day
    Weight:
    4.70 LBS
    MUFFLER MATERIAL:
    ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MODEL:
    FACTORY 4.1 RCT
    MUFFLER COLOR/FINISH:
    RAW
    END CAP MATERIAL:
    CARBON FIBER
    UNITS:
    EACH
    $599.99
    Qty in Cart: 0
    Quantity:
    Price:
    $599.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Anodized Titanium 043373

    FMF Factory 4.1 RCT Muffler - Anodized Titanium 043373

    FMF

    $749.99
    If you're serious about maximizing power across your entire RPM band while cutting unnecessary weight, the FMF Factory 4.1 RCT delivers measurable gains without compromise. Its Resonance Chamber Technology™ design—engineered both internally and...
    18211959
    SKU:
    18211959
    Availability:
    Ships Same Business Day
    Weight:
    7.00 LBS
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    CARBON FIBER
    MUFFLER MATERIAL:
    TITANIUM
    UNITS:
    EACH
    MODEL:
    FACTORY 4.1 RCT
    MUFFLER COLOR/FINISH:
    ANODIZED BLUE
    PIPE MATERIAL:
    TITANIUM
    $749.99
    Qty in Cart: 0
    Quantity:
    Price:
    $749.99
    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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