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 Factory 4.1 Muffler 042396
FMF
$749.99FMF Factory 4.1 Muffler 042396FMF Factory 4.1 Muffler18212036- SKU:
- 18212036
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- COLOR/FINISH:
- ANODIZED
- MODEL:
- FACTORY 4.1 RCT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- END CAP COLOR/FINISH:
- SILVER
- MATERIAL:
- TITANIUM
$749.99 -
FMF Powercore 4 Muffler 042392
FMF
$399.99FMF Powercore 4 Muffler 042392FMF Powercore 4 Muffler18212038- SKU:
- 18212038
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
$399.99 -
FMF Powercore 4 Muffler 041600
FMF
$399.99FMF Powercore 4 Muffler 041600FMF Powercore 4 Muffler18212041- SKU:
- 18212041
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- TYPE:
- SLIP-ON
$399.99Qty in Cart: 0Quantity:Price:$399.99Subtotal: -
FMF Q4 Muffler 041601
FMF
$449.99FMF Q4 Muffler 041601FMF Q4 Muffler18212042- SKU:
- 18212042
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MODEL:
- Q4 HEX
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
$449.99Qty in Cart: 0Quantity:Price:$449.99Subtotal: -
FMF Factory 4.1 Muffler 041602
FMF
$674.99FMF Factory 4.1 Muffler 041602FMF Factory 4.1 Muffler18212043- SKU:
- 18212043
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$674.99 -
KERKER Mufflers - Chrome 128-78120
KERKER
$638.95KERKER Mufflers Chrome 128-78120K3 baffle core designed for maximum exhaust flow and an attention-grabbing exhaust note, Optional end caps let you change your look without changing pipes, Do not include end caps, Made in the U.S.A.18010374- SKU:
- 18010374
- Availability:
- Ships Same Business Day
- Weight:
- 15.50 LBS
$638.95 -
KERKER Stout Mufflers - Black 147-78226
KERKER
$858.95KERKER Stout Mufflers Black 147-78226Massive 4" non-tunable bodies, Streamlined, internal tapered, billet aluminum end caps with recessed fasteners are preinstalled, Inlets shaped for better flow into OEM headpipe as well as SuperTrapp True Dual...18010589- SKU:
- 18010589
- Availability:
- Ships Same Business Day
- Weight:
- 19.50 LBS
$858.95Qty in Cart: 0Quantity:Price:$858.95Subtotal: -
KERKER Stout Mufflers - Black 147-78228
KERKER
$858.95KERKER Stout Mufflers Black 147-78228Massive 4" non-tunable bodies, Streamlined, internal tapered, billet aluminum end caps with recessed fasteners are preinstalled, Inlets shaped for better flow into OEM headpipe as well as SuperTrapp True Dual...18011072- SKU:
- 18011072
- Availability:
- Ships Same Business Day
- Weight:
- 20.30 LBS
$858.95 -
KERKER Slash Mufflers 128-78132
KERKER
$638.95KERKER Slash Mufflers 128-78132Show chrome 4” muffler bodies with a 45 degree slash end design, Proven Kerker high performance, deep sounding, fiberglass wrapped, rebuildable core, Made in the U.S.A.18011073- SKU:
- 18011073
- Availability:
- Ships Same Business Day
- Weight:
- 19.60 LBS
$638.95Qty in Cart: 0Quantity:Price:$638.95Subtotal: -
KERKER Mufflers - Chrome 128-78020
KERKER
$638.95KERKER Mufflers Chrome 128-78020K3 baffle core designed for maximum exhaust flow and an attention-grabbing exhaust note, End caps sold separately, Made in the U.S.A.12878020- SKU:
- 12878020
- Availability:
- Ships Same Business Day
- Weight:
- 17.35 LBS
- OUTER DIAMETER IMPERIAL:
- 3-1/2'
- TYPE:
- SLIP-ON
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- PRODUCT NAME:
- MUFFLER
- STYLE:
- STRAIGHT CAN
$638.95 -
FMF Factory 4.1 Muffler 041603
FMF
$899.99FMF Factory 4.1 Muffler 041603FMF Factory 4.1 Muffler18212044- SKU:
- 18212044
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- TITANIUM
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- TYPE:
- SLIP-ON
$899.99 -
FMF Powercore 4 with Spark Arrestor 043376
FMF
$399.99FMF Powercore 4 with Spark Arrestor 043376Overall increase in power and torque, Durable stainless steel and aluminum construction, Advanced packing material for maximum longevity, Removable spark arrestor included18212016- SKU:
- 18212016
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- BASE COLOR:
- SILVER
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
$399.99 -
FMF Q4 Muffler 043377
FMF
$449.99FMF Q4 Muffler 043377Developed over years of championship off-road racing, Employs intricate chambers, baffles and proprietary multistage packing material, Max Sound output 96dB, Constructed from aircraft grade aluminum and high strength stainless steel,...18212017- SKU:
- 18212017
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- END CAP STYLE:
- CONICAL
- MODEL:
- Q4
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
$449.99 -
FMF Factory 4.1 Muffler 041592
FMF
$299.99FMF Factory 4.1 Muffler 041592Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps, The lightest mufflers available, Superior power and performance - horsepower improved throughout the rpm range, Feature...18212018- SKU:
- 18212018
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- MODEL:
- FACTORY 4.1
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
$299.99 -
FMF Factory 4.1 Muffler 041593
FMF
$349.99FMF Factory 4.1 Muffler 041593Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps, The lightest mufflers available, Superior power and performance - horsepower improved throughout the rpm range, Feature...18212019- SKU:
- 18212019
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
- MODEL:
- FACTORY 4.1
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
$349.99 -
FMF Factory 4.1 Muffler 041594
FMF
$299.99FMF Factory 4.1 Muffler 041594Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps, The lightest mufflers available, Superior power and performance - horsepower improved throughout the rpm range, Feature...18212020- SKU:
- 18212020
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY 4.1
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- COLOR/FINISH:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
$299.99Qty in Cart: 0Quantity:Price:$299.99Subtotal: -
FMF Factory 4.1 Muffler 041595
FMF
$349.99FMF Factory 4.1 Muffler 041595Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps, The lightest mufflers available, Superior power and performance - horsepower improved throughout the rpm range, Feature...18212021- SKU:
- 18212021
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- COLOR/FINISH:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- COLOR/FINISH:
- ANODIZED
- TYPE:
- SLIP-ON
- MODEL:
- FACTORY 4.1
- UNITS:
- EACH
$349.99Qty in Cart: 0Quantity:Price:$349.99Subtotal: -
FMF Factory 4.1 Muffler 042382
FMF
$299.99FMF Factory 4.1 Muffler 042382Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps, The lightest mufflers available, Superior power and performance - horsepower improved throughout the rpm range, Feature...18212022- SKU:
- 18212022
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- MODEL:
- FACTORY 4.1
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Factory 4.1 Muffler 042383
FMF
$349.99FMF Factory 4.1 Muffler 042383Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps, The lightest mufflers available, Superior power and performance - horsepower improved throughout the rpm range, Feature...18212023- SKU:
- 18212023
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY 4.1
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
$349.99Qty in Cart: 0Quantity:Price:$349.99Subtotal: -
FMF Powercore 4 Muffler 041596
FMF
$399.99FMF Powercore 4 Muffler 041596Overall increase in power and torque, Durable stainless steel and aluminum construction, Advanced packing material for maximum longevity, Removable spark arrestor included18212026- SKU:
- 18212026
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- TYPE:
- SLIP-ON
- END CAP STYLE:
- CONICAL
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$399.99
