Dirt Bike Exhaust
Dirt Bike Exhaust Systems at JJ Motorsports
Unlock your dirt bike's potential with high-performance exhaust systems from JJ Motorsports. From slip-on mufflers to full exhaust kits, these components boost horsepower, reduce weight, and deliver aggressive sound for the track or trail. Designed for durability and easy installation, our exhausts ensure better throttle response and emissions compliance while enhancing your ride's style.
Shop trusted brands like Pro Circuit for competition pipes and FMF for titanium systems. Explore related categories such as Dirt Bike Air and Fuel for intake pairing or Dirt Bike Engine for power upgrades.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Pro Circuit T-6 Muffler for 2018 KTM 450SXF 0151545A
PRO CIRCUIT
$649.95The Pro Circuit T-6 Muffler delivers measurable power gains and a refined exhaust note for your 2018 KTM 450SXF while maintaining the reliability you need in competition or trail conditions. This slip-on design combines lightweight construction with...18211699- SKU:
- 18211699
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- T-6
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$649.95 -
Pro Circuit T-6 Slip-On Silencer for Yamaha YZ450F 2018-2019 0131845A
PRO CIRCUIT
$799.95The Pro Circuit T-6 slip-on silencer delivers measurable gains in exhaust scavenging and mid-range power for your YZ450F while maintaining stock headpipe compatibility—no custom fabrication required. If you're running your YZ450F hard in competition or...18211841- SKU:
- 18211841
- Availability:
- Ships Same Business Day
- Weight:
- 12.30 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$799.95 -
Pro Circuit Ti-2 Silencer for 2002-2007 Honda CR125R 1111412K
PRO CIRCUIT
$446.95If you're running a CR125R in competitive closed-course racing, exhaust system choice directly impacts your power delivery and throttle response. The Pro Circuit Ti-2 Silencer is purpose-built for 2-stroke race applications, combining lightweight...18211732- SKU:
- 18211732
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MUFFLER MATERIAL:
- CARBON-ARAMID FIBER
- MODEL:
- TI-2
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- PIPE MATERIAL:
- TITANIUM
$446.95 -
Pro Circuit Ti-2 Silencer Honda CR250R 2004-2007 1111425K
PRO CIRCUIT
$446.95The Pro Circuit Ti-2 Silencer delivers measurable weight savings and power gains on your CR250R—critical advantages on the track where every tenth of a second counts. By combining carbon-aramid fiber construction with titanium components, this silencer...18211733- SKU:
- 18211733
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MODEL:
- TI-2
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- END CAP MATERIAL:
- TITANIUM
- MUFFLER MATERIAL:
- CARBON-ARAMID FIBER
- PRODUCT NAME:
- SILENCER
- PIPE MATERIAL:
- TITANIUM
$446.95 -
Pro Circuit 304 Silencer for 2018-2021 KTM 85 SX 1061985
PRO CIRCUIT
$205.95The Pro Circuit 304 Silencer delivers measurable gains in top-end power while keeping noise levels compliant for track and trail use. Its extended chamber design optimizes exhaust scavenging without sacrificing durability, making it the choice for 85 SX...18211929- SKU:
- 18211929
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- STYLE:
- ROUND
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MODEL:
- 304
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
$205.95 -
Pro Circuit R-304 Silencer KTM 85 SX 2018-2024 1161985
PRO CIRCUIT
$206.29The Pro Circuit R-304 Silencer is purpose-built for closed-course two-stroke racing, where every gram and horsepower counts. This compact aluminum canister delivers measurable power gains while maintaining the durability needed for repeated heat cycles...18211930- SKU:
- 18211930
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- R-304
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- jjmake:
- KTM
- jjmodel:
- 85 SX
- jjyear:
- 2019
$206.29 -
Pro Circuit Type 296 Spark Arrestor Silencer KTM 85 SX 2018-2024 1361985
PRO CIRCUIT
$232.95If you're riding in noise-sensitive areas—whether that's U.S. Forest Service land or local trail systems with strict decibel limits—this silencer gives you the compliance you need without sacrificing throttle response. The Pro Circuit Type 296 delivers...18211931- SKU:
- 18211931
- Availability:
- Ships Same Business Day
- Weight:
- 2.87 LBS
- FEATURES:
- WITH SPARK ARRESTOR
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- TYPE 296
$232.95 -
Pro Circuit T-6 Slip-On Silencer Yamaha YZ250F 2019-2025 0131925A
PRO CIRCUIT
$799.95The Pro Circuit T-6 slip-on silencer delivers measurable gains in power and throttle response while keeping weight to a minimum—critical for YZ250F riders who demand performance without compromise. Its asymmetrical internal design increases packing...18211893- SKU:
- 18211893
- Availability:
- Ships Same Business Day
- Weight:
- 11.60 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- T-6
- UNITS:
- EACH
$799.95 -
Pro Circuit 304 Silencer KTM 250 SX 2019-2022 1051925
PRO CIRCUIT
$205.95The Pro Circuit 304 Silencer delivers the performance gains you need without sacrificing track-side legality or neighbor relations. Its extended body design increases top-end power while the dual-wall construction and premium materials ensure this...18211894- SKU:
- 18211894
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- MODEL:
- 304
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- STYLE:
- ROUND
$205.95 -
Pro Circuit R-304 Silencer KTM 250 SX 2019-2022 1151925
PRO CIRCUIT
$206.29If you're running a KTM 250 SX on the track, your exhaust system directly impacts power delivery and throttle response. The Pro Circuit R-304 Silencer is engineered for full-race two-stroke engines, delivering measurable performance gains through...18211895- SKU:
- 18211895
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- R-304
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$206.29 -
Pro Circuit Ti-2 Silencer KTM 250 SX 2019-2022 1151925K
PRO CIRCUIT
$446.95If you're serious about track performance on your 250 SX, weight savings and exhaust flow efficiency directly impact your power-to-weight ratio and throttle response. The Pro Circuit Ti-2 Silencer delivers both through premium materials and precision...18211896- SKU:
- 18211896
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- END CAP MATERIAL:
- TITANIUM
- MODEL:
- TI-2
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- MUFFLER MATERIAL:
- CARBON-ARAMID FIBER
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$446.95 -
Pro Circuit 250 SX 2019-2022 Spark Arrestor Silencer 1351925
PRO CIRCUIT
$232.95If you're riding where noise restrictions matter—whether that's National Forest trails or organized events—this silencer delivers the compliance you need without sacrificing throttle response. The Pro Circuit 250 SX Spark Arrestor reduces output to...18211897- SKU:
- 18211897
- Availability:
- Ships Same Business Day
- Weight:
- 3.89 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- TYPE 296
- FEATURES:
- WITH SPARK ARRESTOR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$232.95 -
Pro Circuit 304 Silencer KTM 125 SX 2019-2022 1051912
PRO CIRCUIT
$205.95The Pro Circuit 304 Silencer delivers measurable top-end power gains while maintaining track-friendly sound levels—critical for both competitive racing and high-volume practice sessions. Its extended body design optimizes exhaust flow on your KTM 125 SX,...18211898- SKU:
- 18211898
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- STYLE:
- ROUND
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- MODEL:
- 304
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$205.95 -
Pro Circuit R-304 Silencer KTM 125 SX 2019-2022 1151912
PRO CIRCUIT
$206.29The PRO CIRCUIT R-304 Silencer is engineered for KTM 125 SX racers who demand measurable power gains without sacrificing weight or reliability. Its compact aluminum construction and 304 stainless steel intake tube deliver the thermal and structural...18211899- SKU:
- 18211899
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- MODEL:
- R-304
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
$206.29 -
Pro Circuit Ti-2 Silencer for 2022 KTM 125 SX 1151912K
PRO CIRCUIT
$446.95If you're serious about track performance on your 2022 KTM 125 SX, exhaust choice directly impacts your power delivery and weight distribution. The Pro Circuit Ti-2 Silencer delivers measurable gains through precision engineering and lightweight...18211900- SKU:
- 18211900
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- END CAP MATERIAL:
- TITANIUM
- MUFFLER MATERIAL:
- CARBON-ARAMID FIBER
- PRODUCT NAME:
- SILENCER
- MODEL:
- TI-2
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
$446.95 -
Pro Circuit Spark Arrestor Silencer KTM 125 SX 2019-2022 1351912
PRO CIRCUIT
$232.95If you're riding in noise-restricted areas like national forests or need to meet sound regulations, this silencer delivers compliance without sacrificing performance. The Pro Circuit Spark Arrestor reduces noise to approximately 96dB while maintaining...18211901- SKU:
- 18211901
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- TYPE 296
- UNITS:
- EACH
- FEATURES:
- WITH SPARK ARRESTOR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PRODUCT NAME:
- MUFFLER
$232.95 -
Pro Circuit Spark Arrestor Silencer Gas Gas XC 300 2018 SG18300-296
PRO CIRCUIT
$202.95If you're riding in noise-restricted areas or looking to reduce your XC 300's acoustic signature without compromising performance, the Pro Circuit Type 296 Silencer is engineered for exactly that trade-off. This spark arrestor meets U.S. Forest Service...18211876- SKU:
- 18211876
- Availability:
- Ships Same Business Day
- Weight:
- 3.79 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- TYPE 296
- FEATURES:
- WITH SPARK ARRESTOR
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$202.95 -
Pro Circuit 304 Silencer GasGas XC 300 2018 SG18300-SE
PRO CIRCUIT
$205.95If you're running a GasGas XC 300, you know that factory exhaust compromises both power delivery and noise compliance. The Pro Circuit 304 Silencer delivers measurable top-end gains while keeping your sound signature track-legal—without sacrificing the...18211877- SKU:
- 18211877
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- SILENCER
- STYLE:
- ROUND
- MODEL:
- 304
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- BRUSHED
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
$205.95 -
Pro Circuit T-6 Slip-On Silencer KTM 450 SX-F 2019-2022 0151845A
PRO CIRCUIT
$649.95The Pro Circuit T-6 slip-on silencer delivers measurable gains in power and throttle response while significantly reducing backpressure—a direct result of its asymmetrical design and optimized packing volume. If you're running a 450 SX-F and want bolt-on...18211878- SKU:
- 18211878
- Availability:
- Ships Same Business Day
- Weight:
- 9.20 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- MODEL:
- T-6
$649.95 -
Pro Circuit 304 Silencer Yamaha YZ65 2018-2025 1031865
PRO CIRCUIT
$205.95If you're running a YZ65 in a competition or practice environment, stock exhaust limitations are holding back your top-end power while drawing complaints from track officials. The PRO CIRCUIT 304 Silencer delivers measurable performance gains through an...18211879- SKU:
- 18211879
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- 304
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ROUND
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$205.95
