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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 Turbinecore 2.1 Muffler 024067

    FMF Turbinecore 2.1 Muffler 024067

    FMF

    $269.99
    If you're running a high-revving engine on track or trail, backpressure and noise restrictions will kill both your power delivery and your riding experience. The FMF Turbinecore 2.1 eliminates that compromise by delivering race-proven performance while...
    18211791
    SKU:
    18211791
    Availability:
    Ships Same Business Day
    Weight:
    4.08 LBS
    MODEL:
    TURBINECORE 2.1
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    SLASH-CUT
    MUFFLER MATERIAL:
    ALUMINUM
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    STYLE:
    ROUND
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
    Subtotal:
  • FMF PowerCore 4 HEX Muffler 042345

    FMF PowerCore 4 HEX Muffler 042345

    FMF

    $399.99
    If you're looking to extract real performance gains without sacrificing durability, the FMF PowerCore 4 HEX delivers measurable increases in power and torque through optimized exhaust flow. The stainless steel and aluminum construction is built to...
    18211794
    SKU:
    18211794
    Availability:
    Ships Same Business Day
    Weight:
    6.90 LBS
    MODEL:
    POWERCORE 4 HEX
    PIPE MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    MUFFLER
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER COLOR/FINISH:
    RAW
    RIDING STYLE:
    OFF-ROAD
    MUFFLER MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Turbinecore 2.1 Muffler 025220

    FMF Turbinecore 2.1 Muffler 025220

    FMF

    $269.99
    If you're running your machine on the trail or track, exhaust restriction is costing you power and throttle response. The FMF Turbinecore 2.1 delivers a straight-through design that eliminates backpressure while maintaining the durability and reliability...
    18211831
    SKU:
    18211831
    Availability:
    Ships Same Business Day
    Weight:
    3.84 LBS
    END CAP STYLE:
    SLASH-CUT
    MUFFLER MATERIAL:
    ALUMINUM
    MODEL:
    TURBINECORE 2.1
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SILENCER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    MATERIAL:
    STAINLESS STEEL
    STYLE:
    ROUND
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 025227

    FMF Turbinecore 2 Silencer 025227

    FMF

    $219.99
    If you're running a high-performance machine, your exhaust system directly impacts power delivery and durability under sustained load. The FMF Turbinecore 2 Silencer delivers unrestricted flow through a straight-through spark arrestor design while the...
    18211834
    SKU:
    18211834
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    END CAP STYLE:
    CONICAL
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    BASE COLOR:
    SILVER
    STYLE:
    OVAL
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    TURBINECORE 2
    $219.99
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF PowerCore 4 HEX Muffler 044441

    FMF PowerCore 4 HEX Muffler 044441

    FMF

    $399.99
    If you're looking to unlock measurable gains in power and torque without sacrificing reliability, the FMF PowerCore 4 HEX delivers the flow characteristics serious riders demand. Built with premium stainless steel and aluminum construction, this muffler...
    18211836
    SKU:
    18211836
    Availability:
    Ships Same Business Day
    Weight:
    6.65 LBS
    UNITS:
    EACH
    MUFFLER COLOR/FINISH:
    RAW
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    POWERCORE 4 HEX
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Q4 HEX Muffler 044442

    FMF Q4 HEX Muffler 044442

    FMF

    $449.99
    The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while significantly reducing weight—meaning you get real performance improvement without sacrificing durability. Its multi-stage chambered design and proprietary packing...
    18211837
    SKU:
    18211837
    Availability:
    Ships Same Business Day
    Weight:
    7.20 LBS
    PIPE MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    MUFFLER
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MODEL:
    Q4 HEX
    MUFFLER COLOR/FINISH:
    RAW
    RIDING STYLE:
    OFF-ROAD
    MUFFLER MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    $449.99
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Aluminum 044443

    FMF Factory 4.1 RCT Muffler - Aluminum 044443

    FMF

    $649.99
    If you're serious about maximizing exhaust flow and reducing unsprung weight, the FMF Factory 4.1 RCT delivers measurable power gains across the entire RPM band without compromising durability. The compact design and centralized mass positioning work in...
    18211838
    SKU:
    18211838
    Availability:
    Ships Same Business Day
    Weight:
    9.15 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
    $649.99
    Qty in Cart: 0
    Quantity:
    Price:
    $649.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Anodized Titanium 044445

    FMF Factory 4.1 RCT Muffler - Anodized Titanium 044445

    FMF

    $849.99
    If you're serious about extracting maximum performance from your machine while reducing unsprung weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM band without compromise. Built from aerospace-grade titanium and engineered...
    18211840
    SKU:
    18211840
    Availability:
    Ships Same Business Day
    Weight:
    8.35 LBS
    PIPE MATERIAL:
    TITANIUM
    UNITS:
    EACH
    MODEL:
    FACTORY 4.1 RCT
    MUFFLER COLOR/FINISH:
    ANODIZED BLUE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    CARBON FIBER
    MUFFLER MATERIAL:
    TITANIUM
    PRODUCT NAME:
    MUFFLER
    $849.99
    Qty in Cart: 0
    Quantity:
    Price:
    $849.99
    Subtotal:
  • FMF Powercore 2.1 Muffler - Aluminum 024059

    FMF Powercore 2.1 Muffler - Aluminum 024059

    FMF

    $239.99
    The FMF Powercore 2.1 delivers the smooth, linear power curve that 4-stroke racers demand across the full RPM range—no sudden peaks or flat spots. Its large-diameter aluminum canister maximizes packing longevity and tuning flexibility, so you spend more...
    18211703
    SKU:
    18211703
    Availability:
    Ships Same Business Day
    Weight:
    2.45 LBS
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER COLOR/FINISH:
    RAW
    MUFFLER MATERIAL:
    ALUMINUM
    MODEL:
    POWERCORE 2.1
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    $239.99
    Subtotal:
  • FMF Powercore 2.1 Muffler - Titanium 024060

    FMF Powercore 2.1 Muffler - Titanium 024060

    FMF

    $449.99
    The FMF Powercore 2.1 Titanium muffler delivers consistent power across your entire RPM range—critical for 4-stroke engines where mid-range response directly impacts lap times and acceleration. The oversized canister design extends packing life and...
    18211704
    SKU:
    18211704
    Availability:
    Ships Same Business Day
    Weight:
    3.40 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    TITANIUM
    MODEL:
    POWERCORE 2.1
    MUFFLER MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    MUFFLER COLOR/FINISH:
    ANODIZED BLUE
    PIPE MATERIAL:
    TITANIUM
    $449.99
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Turbinecore 2.1 Muffler 024061

    FMF Turbinecore 2.1 Muffler 024061

    FMF

    $269.99
    If you're running a high-performance off-road machine, exhaust flow directly impacts your power delivery and throttle response. The FMF Turbinecore 2.1 delivers unrestricted performance through a straight-through design while maintaining the durability...
    18211705
    SKU:
    18211705
    Availability:
    Ships Same Business Day
    Weight:
    3.73 LBS
    PIPE MATERIAL:
    STAINLESS STEEL
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    SLASH-CUT
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    ROUND
    TYPE:
    SLIP-ON
    MATERIAL:
    ALUMINUM
    MODEL:
    TURBINECORE 2.1
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
    Subtotal:
  • FMF Powercore 2.1 Muffler - Aluminum 024062

    FMF Powercore 2.1 Muffler - Aluminum 024062

    FMF

    $239.99
    If you're running a 4-stroke on modern track configurations, exhaust scavenging directly impacts your power delivery across the entire RPM band. The FMF Powercore 2.1 Muffler is engineered to eliminate restrictions while maintaining a smooth, linear...
    18211706
    SKU:
    18211706
    Availability:
    Ships Same Business Day
    Weight:
    2.90 LBS
    MODEL:
    POWERCORE 2.1
    PIPE MATERIAL:
    STAINLESS STEEL
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    MUFFLER COLOR/FINISH:
    RAW
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    $239.99
    Subtotal:
  • FMF Powercore 2.1 Muffler - Titanium 024063

    FMF Powercore 2.1 Muffler - Titanium 024063

    FMF

    $449.99
    If you're running a modern 4-stroke on the track, the FMF Powercore 2.1 Titanium delivers the smooth, responsive power curve you need without sacrificing durability or sound quality. The oversized canister design extends packing life significantly,...
    18211707
    SKU:
    18211707
    Availability:
    Ships Same Business Day
    Weight:
    3.90 LBS
    PIPE MATERIAL:
    TITANIUM
    UNITS:
    EACH
    END CAP MATERIAL:
    TITANIUM
    MODEL:
    POWERCORE 2.1
    PRODUCT NAME:
    SILENCER
    MUFFLER MATERIAL:
    TITANIUM
    MUFFLER COLOR/FINISH:
    ANODIZED BLUE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    $449.99
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Turbinecore 2.1 Muffler 024064

    FMF Turbinecore 2.1 Muffler 024064

    FMF

    $269.99
    If you're running a high-performance off-road machine, exhaust flow directly impacts power delivery and throttle response. The FMF Turbinecore 2.1 delivers measurable gains through a straight-through design that minimizes backpressure while maintaining...
    18211708
    SKU:
    18211708
    Availability:
    Ships Same Business Day
    Weight:
    3.78 LBS
    MATERIAL:
    STAINLESS STEEL
    UNITS:
    EACH
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SILENCER
    STYLE:
    ROUND
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    SLASH-CUT
    MODEL:
    TURBINECORE 2.1
    MUFFLER MATERIAL:
    ALUMINUM
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
    Subtotal:
  • FMF Q Muffler 025173

    FMF Q Muffler 025173

    FMF

    $219.99
    If you're running a machine that demands both serious power and legal compliance, the FMF Q Muffler delivers where others compromise. This isn't a "quiet power" marketing claim—the Q's proprietary internal technology maintains optimal exhaust flow while...
    18211709
    SKU:
    18211709
    Availability:
    Ships Same Business Day
    Weight:
    3.65 LBS
    UNITS:
    EACH
    WEIGHT IMPERIAL:
    3.4 LB
    MODEL:
    Q
    PRODUCT NAME:
    SILENCER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    FEATURES:
    WITH SPARK ARRESTOR
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • FMF Powercore 2.1 Muffler - Aluminum 025177

    FMF Powercore 2.1 Muffler - Aluminum 025177

    FMF

    $239.99
    If you're running a 4-stroke on the track, the FMF Powercore 2.1 delivers the power curve consistency you need without sacrificing longevity or sound quality. The larger diameter canister extends packing life significantly—meaning fewer mid-season...
    18211713
    SKU:
    18211713
    Availability:
    Ships Same Business Day
    Weight:
    5.40 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER COLOR/FINISH:
    RAW
    MUFFLER MATERIAL:
    ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    WEIGHT IMPERIAL:
    2.6 LB
    MODEL:
    POWERCORE 2.1
    PRODUCT NAME:
    SILENCER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    $239.99
    Subtotal:
  • FMF Turbinecore 2.1 Muffler 025179

    FMF Turbinecore 2.1 Muffler 025179

    FMF

    $269.99
    The FMF Turbinecore 2.1 delivers track-proven power without sacrificing durability or legal compliance. Its straight-through design eliminates backpressure while the stainless steel construction withstands extreme conditions, making it ideal for riders...
    18211715
    SKU:
    18211715
    Availability:
    Ships Same Business Day
    Weight:
    4.02 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    SLASH-CUT
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    ROUND
    TYPE:
    SLIP-ON
    MATERIAL:
    ALUMINUM
    MODEL:
    TURBINECORE 2.1
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    SILENCER
    UNITS:
    EACH
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
    Subtotal:
  • FMF PowerCore 4 HEX Muffler 045589

    FMF PowerCore 4 HEX Muffler 045589

    FMF

    $399.99
    The FMF PowerCore 4 HEX delivers measurable gains in power and torque by optimizing exhaust flow through advanced internal geometry and durable construction. If you're serious about performance, this muffler replaces restrictive OEM units with a tuned...
    18211716
    SKU:
    18211716
    Availability:
    Ships Same Business Day
    Weight:
    6.67 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    MUFFLER MATERIAL:
    ALUMINUM
    MODEL:
    POWERCORE 4 HEX
    PIPE MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    MUFFLER COLOR/FINISH:
    RAW
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Q4 HEX Muffler 045590

    FMF Q4 HEX Muffler 045590

    FMF

    $449.99
    The FMF Q4 HEX Muffler delivers measurable power gains across your entire RPM range while significantly reducing system weight—letting you feel the performance improvement without unnecessary noise. Its advanced multi-chamber design with proprietary...
    18211717
    SKU:
    18211717
    Availability:
    Ships Same Business Day
    Weight:
    6.71 LBS
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    WEIGHT IMPERIAL:
    5.1 LB
    MODEL:
    Q4 HEX
    MUFFLER COLOR/FINISH:
    RAW
    MUFFLER MATERIAL:
    ALUMINUM
    PIPE MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    END CAP MATERIAL:
    STAINLESS STEEL
    $449.99
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Factory 4.1 RCT Muffler - Aluminum 045594

    FMF Factory 4.1 RCT Muffler - Aluminum 045594

    FMF

    $549.99
    If you're serious about performance, exhaust system design directly impacts your power output across the entire RPM band. The FMF Factory 4.1 RCT eliminates the compromises of heavier, longer mufflers by combining advanced acoustic engineering with...
    18211719
    SKU:
    18211719
    Availability:
    Ships Same Business Day
    Weight:
    6.05 LBS
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    MUFFLER COLOR/FINISH:
    RAW
    MUFFLER MATERIAL:
    ALUMINUM
    END CAP MATERIAL:
    CARBON FIBER
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    MODEL:
    FACTORY 4.1 RCT
    $549.99
    Qty in Cart: 0
    Quantity:
    Price:
    $549.99
    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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