Dirt Bike Silencers/Mufflers

Dirt Bike Silencers/Mufflers

Dirt Bike Silencers/Mufflers

J J Motorsports is a leading supplier of dirt bike silencers and mufflers for 2-stroke and 4-strokes online from popular brands like Bills Pipes, FMF, and Pro Circuit. Our dirt bike exhaust systems are specifically designed to reduce noise while still providing the power and performance you need. We offer a variety of dirt bike exhausts for both 2-stroke and 4-stroke engines, so you can find the perfect one for your ride. In addition to our dirt bike exhausts, we also carry a full line of dirt bike parts and accessories to keep your bike running at its best. Whether you're looking for a new set of tires or a replacement chain, we have what you need. Check out our selection of dirt bike parts and accessories today!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FMF Powercore 4 Muffler 041284

    FMF Powercore 4 Muffler 041284

    FMF

    $399.99
    FMF Powercore 4 Muffler 041284Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    18210540
    SKU:
    18210540
    Availability:
    Ships Same Business Day
    Weight:
    5.90 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
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Q4 Muffler 041287 FMF Q4 Muffler 041287

    FMF Q4 Muffler 041287

    FMF

    $449.99
    FMF Q4 Muffler 041287The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound, Less mass to enhance power-to-weight ratio, Quiet power with minimal sacrifice for performance, Developed over years of championship...
    18210543
    SKU:
    18210543
    Availability:
    Ships Same Business Day
    Weight:
    6.35 LBS
    MUFFLER COLOR/FINISH:
    RAW
    PIPE MATERIAL:
    STAINLESS STEEL
    BASE COLOR:
    SILVER
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    CONICAL
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    MODEL:
    Q4
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
    Subtotal:
  • FMF Factory 4.1 Muffler - Anodized Titanium 041291

    FMF Factory 4.1 Muffler - Anodized Titanium 041291

    FMF

    $499.99
    FMF Factory 4.1 Muffler Anodized Titanium 041291Superior power and performance - horsepower improved throughout the rpm range, Factory Forward Engineering centralizes mass, improves handling, Customize with performance tuning inserts and spark arrestor...
    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 Powercore 4 Muffler 044228

    FMF Powercore 4 Muffler 044228

    FMF

    $399.99
    FMF Powercore 4 Muffler 044228Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    18210578
    SKU:
    18210578
    Availability:
    Ships Same Business Day
    Weight:
    6.60 LBS
    BASE COLOR:
    SILVER
    END CAP STYLE:
    CONICAL
    UNITS:
    EACH
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    END CAP MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    MODEL:
    POWERCORE 4
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Q4 Muffler 044232 FMF Q4 Muffler 044232

    FMF Q4 Muffler 044232

    FMF

    $449.99
    FMF Q4 Muffler 044232The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound, Less mass to enhance power-to-weight ratio, Quiet power with minimal sacrifice for performance, Developed over years of championship...
    18210581
    SKU:
    18210581
    Availability:
    Ships Same Business Day
    Weight:
    7.60 LBS
    BASE COLOR:
    SILVER
    END CAP STYLE:
    CONICAL
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    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 Factory 4.1 Muffler - Anodized Titanium 044235

    FMF Factory 4.1 Muffler - Anodized Titanium 044235

    FMF

    $499.99
    FMF Factory 4.1 Muffler Anodized Titanium 044235Superior power and performance - horsepower improved throughout the rpm range, Factory Forward Engineering centralizes mass, improves handling, Customize with performance tuning inserts and spark arrestor...
    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
    FMF Q4 Muffler 041249The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound, Less mass to enhance power-to-weight ratio, Quiet power with minimal sacrifice for performance, Developed over years of championship...
    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 041273

    FMF Powercore 4 Muffler 041273

    FMF

    $399.99
    FMF Powercore 4 Muffler 041273Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    18210662
    SKU:
    18210662
    Availability:
    Ships Same Business Day
    Weight:
    6.56 LBS
    BASE COLOR:
    SILVER
    MODEL:
    POWERCORE 4
    END CAP STYLE:
    CONICAL
    MUFFLER MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    MUFFLER
    UNITS:
    EACH
    END CAP MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    OVAL
    TYPE:
    SLIP-ON
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Powercore 4 Muffler 041274

    FMF Powercore 4 Muffler 041274

    FMF

    $399.99
    FMF Powercore 4 Muffler 041274Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    18210663
    SKU:
    18210663
    Availability:
    Ships Same Business Day
    Weight:
    6.38 LBS
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    CONICAL
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    MUFFLER MATERIAL:
    ALUMINUM
    STYLE:
    OVAL
    BASE COLOR:
    SILVER
    MODEL:
    POWERCORE 4
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Powercore 4 Muffler 041275

    FMF Powercore 4 Muffler 041275

    FMF

    $399.99
    FMF Powercore 4 Muffler 041275Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Powercore 4 Muffler 041276

    FMF Powercore 4 Muffler 041276

    FMF

    $399.99
    FMF Powercore 4 Muffler 041276Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    18210665
    SKU:
    18210665
    Availability:
    Ships Same Business Day
    Weight:
    6.25 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
    FMF Powercore 4 Muffler 042122Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    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 042123

    FMF Powercore 4 Muffler 042123

    FMF

    $399.99
    FMF Powercore 4 Muffler 042123Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    18210672
    SKU:
    18210672
    Availability:
    Ships Same Business Day
    Weight:
    6.19 LBS
    MUFFLER MATERIAL:
    ALUMINUM
    STYLE:
    OVAL
    END CAP MATERIAL:
    STAINLESS STEEL
    END CAP STYLE:
    CONICAL
    PRODUCT NAME:
    MUFFLER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SLIP-ON
    UNITS:
    EACH
    BASE COLOR:
    SILVER
    MODEL:
    POWERCORE 4
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Q4 Muffler 044195 FMF Q4 Muffler 044195

    FMF Q4 Muffler 044195

    FMF

    $449.99
    FMF Q4 Muffler 044195The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound, Less mass to enhance power-to-weight ratio, Quiet power with minimal sacrifice for performance, Developed over years of championship...
    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
    FMF Q4 Muffler 044199The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound, Less mass to enhance power-to-weight ratio, Quiet power with minimal sacrifice for performance, Developed over years of championship...
    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
    FMF Powercore 4 Muffler 044220Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    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
    FMF Powercore 4 Muffler 044222Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    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 Powercore 4 Muffler 045135

    FMF Powercore 4 Muffler 045135

    FMF

    $399.99
    FMF Powercore 4 Muffler 045135Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding, Aluminum construction and stainless steel...
    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
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • FMF Turbinecore 2 Silencer 025096

    FMF Turbinecore 2 Silencer 025096

    FMF

    $219.99
    FMF Turbinecore 2 Silencer 025096Uses the exclusive "Turbine Dampening System", Straight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricted power
    18210800
    SKU:
    18210800
    Availability:
    Ships Same Business Day
    Weight:
    3.00 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
    FMF Powercore 4 Muffler 042160The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini, Features a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel header,...
    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:
  • Total: items /

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