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
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Pro Circuit T-4 Silencer Honda XR400R 1996-2004 4H00400
PRO CIRCUIT
$523.95The Pro Circuit T-4 Silencer unlocks measurable gains in horsepower and torque across your XR400R's entire powerband while keeping weight to a minimum. If you're running stock exhaust, you're leaving performance on the table—this bolt-on silencer is...4H00400- SKU:
- 4H00400
- Availability:
- Ships Same Business Day
- Weight:
- 5.13 LBS
$523.95 -
Pro Circuit T-4 Exhaust System for Honda CRF80F 2001 4H01080
PRO CIRCUIT
$370.95If you're running a CRF80F at the track or trail, throttle response and mid-range power are non-negotiable. The Pro Circuit T-4 Exhaust System delivers measurable gains in both through advanced tuning and extensive dyno validation—meaning you'll feel the...4H01080- SKU:
- 4H01080
- Availability:
- Ships Same Business Day
- Weight:
- 3.08 LBS
$370.95 -
Pro Circuit T-4 Exhaust System Honda CRF150F 2003-2005 4H03150
PRO CIRCUIT
$418.95The Pro Circuit T-4 Exhaust delivers measurable gains in throttle response and power output—critical advantages whether you're chasing lap times or simply maximizing your CRF150F's potential. Its dyno-tested design combines lightweight construction with...4H03150- SKU:
- 4H03150
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
$418.95 -
Pro Circuit T-4 Slip-On Exhaust Honda XR650L 1993-2024 4H85600
PRO CIRCUIT
$523.95The Pro Circuit T-4 slip-on exhaust unlocks measurable horsepower and torque gains across your XR650L's entire power band, translating to quicker acceleration and more responsive throttle control on trail and track. By reducing backpressure through...4H85600- SKU:
- 4H85600
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
$523.95 -
Pro Circuit Ti-6 Exhaust System Yamaha YZ450F 2020-2022 0332145F
PRO CIRCUIT
$1,487.95The Pro Circuit Ti-6 Exhaust System delivers the performance gains and sound control that serious YZ450F riders demand. By optimizing exhaust flow through an asymmetrical muffler design and RC-4 Resonance Chamber, you'll gain measurable horsepower while...18201981- SKU:
- 18201981
- Availability:
- Ships Same Business Day
- Weight:
- 12.60 LBS
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- END CAP STYLE:
- SLASH-CUT
- MODEL:
- TI-6
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- END CAP MATERIAL:
- CARBON FIBER
- STYLE:
- ASYMMETRICAL
- UNITS:
- EACH
- MUFFLER MATERIAL:
- TITANIUM
$1,487.95 -
Pro Circuit Ti-2 Silencer KTM 250 SX 2017 1151725K
PRO CIRCUIT
$446.95If you're serious about track performance on your 2017 KTM 250 SX, weight savings and durability directly translate to faster lap times and fewer mechanical failures. The Pro Circuit Ti-2 Silencer delivers both through its carbon-aramid construction and...18211777- SKU:
- 18211777
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MUFFLER MATERIAL:
- CARBON-ARAMID FIBER
- MODEL:
- TI-2
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- PIPE MATERIAL:
- TITANIUM
$446.95 -
Pro Circuit 304 Silencer Husqvarna TC250 2017-2018 1061725
PRO CIRCUIT
$205.95If you're running a Husqvarna TC250, exhaust flow directly impacts your power delivery across the RPM range. The Pro Circuit 304 Silencer combines extended body tuning with proven construction methods to unlock top-end performance while keeping sound...18211779- SKU:
- 18211779
- Availability:
- Ships Same Business Day
- Weight:
- 2.69 LBS
- MATERIAL:
- ALUMINUM
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- ROUND
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- 304
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
$205.95 -
Pro Circuit R-304 Silencer Husqvarna TC250 2017-2018 1161725
PRO CIRCUIT
$206.29The Pro Circuit R-304 Silencer is engineered for closed-course racing where weight savings and peak power delivery directly impact lap times. Its compact aluminum design and 304 stainless steel intake tube eliminate unnecessary bulk without compromising...18211780- SKU:
- 18211780
- Availability:
- Ships Same Business Day
- Weight:
- 2.61 LBS
- MUFFLER COLOR/FINISH:
- BRUSHED
- MODEL:
- R-304
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$206.29 -
Pro Circuit T-6 Slip-On Silencer for Kawasaki KX250F 2017-2019 0121725A
PRO CIRCUIT
$649.95If you're running a KX250F, stock exhaust is costing you power and throttle response. The Pro Circuit T-6 Slip-On Silencer delivers measurable performance gains through optimized flow dynamics while keeping your bike street-legal with a removable spark...18211783- SKU:
- 18211783
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$649.95 -
Pro Circuit T-6 Slip-On Silencer KTM 350 SX-F 2016-2018 0151635A
PRO CIRCUIT
$649.95If you're running a 350 SX-F and want measurable gains in throttle response and mid-range power, a quality slip-on silencer is one of the most cost-effective upgrades available. The Pro Circuit T-6 delivers the performance you need without requiring...18211729- SKU:
- 18211729
- Availability:
- Ships Same Business Day
- Weight:
- 8.60 LBS
- PRODUCT NAME:
- SILENCER
- MODEL:
- T-6
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
$649.95 -
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
