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
- FMF Powercore 4 Hex Muffler 041608 – Hex-shaped muffler with stainless steel construction for enhanced flow and durability; ideal for 4-stroke dirt bikes, ships same day.
- MX2 Carbon Silencer 65 SX 2016-2022 KTM TC65 Husqvarna 19-22 – Lightweight carbon fiber silencer with 6061 T-6 aluminum housing, stainless steel mid-pipe, and glass packing for crisp 2-stroke sound on KTM/Husqvarna youth models.
- Pro Circuit T-6 Slip-On Muffler Honda CRF250R 2022 0112225A – Stainless steel midpipe and aluminum canister slip-on for improved efficiency and sound; includes USFS spark arrestor for CRF250R.
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 4 HEX Muffler 042367
FMF
$399.99If you're running a stock muffler, you're leaving power on the table. The FMF PowerCore 4 HEX delivers measurable gains in both power and torque through optimized internal flow dynamics, while the durable stainless steel and aluminum construction ensures...18211886- SKU:
- 18211886
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4 HEX
- UNITS:
- EACH
$399.99 -
FMF Q4 HEX Muffler 042368
FMF
$449.99The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while significantly reducing weight compared to stock units—meaning you'll accelerate faster and climb better without sacrificing durability. Its advanced multi-chamber...18211887- SKU:
- 18211887
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MODEL:
- Q4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$449.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 042369
FMF
$599.99If you're serious about extracting maximum power from your machine while reducing unsprung weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM band without compromise. The Resonance Chamber Technology™ design eliminates the...18211888- SKU:
- 18211888
- Availability:
- Ships Same Business Day
- Weight:
- 7.64 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- END CAP MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
$599.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 042371
FMF
$749.99If you're serious about maximizing power and minimizing weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM range without compromise. Built from aerospace-grade titanium and engineered at FMF's Southern California facility,...18211890- SKU:
- 18211890
- Availability:
- Ships Same Business Day
- Weight:
- 7.13 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
$749.99 -
FMF Powercore 2.1 Muffler - Aluminum 025247
FMF
$239.99If you're running a 4-stroke on the track, the FMF Powercore 2.1 delivers the smooth, consistent power curve you need across the entire RPM range without sacrificing performance. The large-diameter aluminum canister maximizes exhaust scavenging while...18211909- SKU:
- 18211909
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- PIPE MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2.1
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$239.99 -
FMF Turbinecore 2.1 Muffler 025249
FMF
$269.99The FMF Turbinecore 2.1 Muffler is engineered for riders who demand unrestricted power without sacrificing durability or legal compliance. Its straight-through design and performance flow internals eliminate backpressure, delivering measurable gains in...18211911- SKU:
- 18211911
- Availability:
- Ships Same Business Day
- Weight:
- 3.64 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- TURBINECORE 2.1
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ROUND
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$269.99 -
FMF Powercore 2.1 Muffler - Aluminum 025252
FMF
$239.99If you're running a 4-stroke on modern tracks, intake and exhaust tuning directly impact your power curve and throttle response. The FMF Powercore 2.1 delivers a smooth, linear power band across the entire RPM range—eliminating dead spots and giving you...18211913- SKU:
- 18211913
- Availability:
- Ships Same Business Day
- Weight:
- 3.34 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MODEL:
- POWERCORE 2.1
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
$239.99 -
FMF Powercore 2.1 Shorty Muffler 025255
FMF
$449.99If you're running a high-performance build, exhaust flow and weight savings directly impact your power delivery and chassis dynamics. The FMF Powercore 2.1 Shorty combines a lightweight titanium construction with engineered perforated core technology to...18211916- SKU:
- 18211916
- Availability:
- Ships Same Business Day
- Weight:
- 4.17 LBS
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- END CAP MATERIAL:
- TITANIUM
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PRODUCT NAME:
- SILENCER
- STYLE:
- SHORT
- MODEL:
- POWERCORE 2.1 SHORTY
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$449.99 -
FMF Turbinecore 2.1 Muffler 025256
FMF
$269.99If you're running a high-revving off-road machine, exhaust scavenging directly impacts power delivery and throttle response. The FMF Turbinecore 2.1 combines a straight-through design with FMF's proprietary Turbine Dampening System to maximize flow while...18211917- SKU:
- 18211917
- Availability:
- Ships Same Business Day
- Weight:
- 3.76 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- MATERIAL:
- ALUMINUM
- MODEL:
- TURBINECORE 2.1
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ROUND
$269.99 -
FMF PowerCore 4 HEX Muffler 045626
FMF
$549.99The FMF PowerCore 4 HEX delivers measurable gains in horsepower and torque while maintaining the durability required for serious riding. Its lightweight stainless steel and aluminum construction resists corrosion and thermal stress, ensuring consistent...18211918- SKU:
- 18211918
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$549.99 -
FMF Q4 HEX Muffler 045627
FMF
$569.99The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while reducing weight and sound signature—critical for off-road racers and performance enthusiasts who need their machine to work harder, not louder. Its sophisticated...18211919- SKU:
- 18211919
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MODEL:
- Q4 HEX
$569.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 045628
FMF
$674.99If you're running a serious two-stroke machine, exhaust flow directly impacts your power curve—and most stock mufflers leave significant performance on the table. The FMF Factory 4.1 RCT delivers measurable horsepower gains across the entire RPM band...18211920- SKU:
- 18211920
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
$674.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045629
FMF
$854.99If you're serious about maximizing power delivery across the entire RPM band while shedding unnecessary weight, the FMF Factory 4.1 RCT is engineered to deliver measurable gains without compromise. Its compact design centralizes mass and resists crash...18211921- SKU:
- 18211921
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 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:
- ANODIZED BLUE
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$854.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045633
FMF
$854.99If you're serious about maximizing power across your entire RPM range while cutting unnecessary weight, the FMF Factory 4.1 RCT delivers measurable gains without compromise. Built from aerospace-grade titanium and engineered entirely in Southern...18211925- SKU:
- 18211925
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$854.99 -
FMF Turbinecore 2 Silencer 025189
FMF
$219.99The FMF Turbinecore 2 Silencer delivers race-proven exhaust scavenging without sacrificing low-end torque or mid-range response. Its straight-through design eliminates restrictive internal baffles, allowing your engine to breathe freely while the...18211746- SKU:
- 18211746
- Availability:
- Ships Same Business Day
- Weight:
- 3.32 LBS
- MODEL:
- TURBINECORE 2
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- STYLE:
- OVAL
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$219.99 -
FMF Powercore 2 Silencer 025205
FMF
$199.99If you're running a 2-stroke, exhaust performance directly impacts your power delivery and throttle response. The FMF Powercore 2 is the industry standard for a reason—its proven silencer design cuts back-pressure while maintaining aggressive sound and...18211785- SKU:
- 18211785
- Availability:
- Ships Same Business Day
- Weight:
- 3.06 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP STYLE:
- CONICAL
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2
- STYLE:
- ELLIPTICAL
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- SILVER
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON SILENCER
$199.99 -
FMF Turbinecore 2 Silencer 025207
FMF
$219.99If you're running a high-performance two-stroke engine, exhaust flow restriction is costing you real horsepower and throttle response. The FMF Turbinecore 2 Silencer delivers the straight-through design and minimal backpressure you need to unlock your...18211787- SKU:
- 18211787
- Availability:
- Ships Same Business Day
- Weight:
- 3.46 LBS
- BASE COLOR:
- SILVER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- OVAL
- WEIGHT IMPERIAL:
- 3.5 LB
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- TURBINECORE 2
$219.99 -
FMF Powercore 2.1 Muffler - Aluminum 025208
FMF
$239.99If you're running a 4-stroke on the track, the FMF Powercore 2.1 delivers the exhaust scavenging efficiency and tunable power curve that separates consistent lap times from inconsistent ones. The oversized aluminum canister resists packing degradation,...18211788- SKU:
- 18211788
- Availability:
- Ships Same Business Day
- Weight:
- 3.59 LBS
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2.1
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$239.99 -
FMF Powercore 2.1 Muffler - Titanium 025209
FMF
$449.99If you're running a 4-stroke on modern track setups, the FMF Powercore 2.1 Muffler delivers the smooth, linear power curve you need without sacrificing responsiveness across the RPM band. The oversized canister design extends packing life and gives you...18211789- SKU:
- 18211789
- Availability:
- Ships Same Business Day
- Weight:
- 4.80 LBS
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- TITANIUM
- MODEL:
- POWERCORE 2.1
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
$449.99Qty in Cart: 0Quantity:Price:$449.99Subtotal: -
FMF Turbinecore 2.1 Muffler 025210
FMF
$269.99The FMF Turbinecore 2.1 Muffler delivers unrestricted power without sacrificing durability or legal compliance. Its straight-through design and performance flow construction eliminate backpressure while maintaining U.S. Forest Service approval—ideal for...18211790- SKU:
- 18211790
- Availability:
- Ships Same Business Day
- Weight:
- 3.88 LBS
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- TURBINECORE 2.1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- ROUND
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
$269.99
