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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MOOSE RACING 4-Stroke Exhaust Plug DT-09-4STR
MOOSE RACING
$7.95Keeping moisture and debris out of your exhaust system during maintenance is critical to preventing corrosion and prolonged drying times. The MOOSE RACING 4-Stroke Exhaust Plug seals your pipe immediately after riding, protecting internal components from...18610557- SKU:
- 18610557
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- RIDING STYLE:
- ATV
- COLOR/FINISH:
- ORANGE
- PRODUCT NAME:
- PLUG
- RIDING STYLE:
- UTV
- STYLE:
- 4-STROKE
- TYPE:
- EXHAUST
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$7.95 -
MOOSE RACING Bristol Spec 19 Muffler Packing Pillow - 4 Stroke - 15" 14677
MOOSE RACING
$34.95Muffler packing deteriorates quickly under extreme heat and vibration, forcing frequent replacements and costly downtime. The MOOSE RACING Bristol Spec 19 Muffler Packing Pillow extends service intervals to 30-40 engine hours while outlasting traditional...18601720- SKU:
- 18601720
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- RIDING STYLE:
- OFF-ROAD
- LENGTH IMPERIAL:
- 15'
- PRODUCT NAME:
- PILLOW PACK
- STYLE:
- 4-STROKE
- TYPE:
- MUFFLER
- UNITS:
- EACH
$34.95 -
MOOSE RACING Bristol Spec 19 Muffler Packing Pillow - 4 Stroke - 19" 14552
MOOSE RACING
$40.95If you're running an off-road four-stroke on a regular schedule, muffler packing degradation is a maintenance reality that cuts into your ride time and forces frequent rebuilds. The MOOSE Racing Bristol Spec 19 Packing Pillow solves this with a...18601721- SKU:
- 18601721
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- LENGTH IMPERIAL:
- 19'
- STYLE:
- 4-STROKE
- TYPE:
- MUFFLER
- UNITS:
- EACH
- PRODUCT NAME:
- PILLOW PACK
- RIDING STYLE:
- OFF-ROAD
$40.95 -
MOOSE RACING Muffler Packing -11X16X1 160-1112M
MOOSE RACING
$20.95Muffler packing degrades under sustained heat and exhaust flow, compromising your system's acoustic performance and structural integrity. This MOOSE RACING replacement packing restores proper sound dampening and thermal stability, keeping your exhaust...18602211- SKU:
- 18602211
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- MUFFLER PACKING
- WIDTH IMPERIAL:
- 11'
- LENGTH IMPERIAL:
- 16'
- RIDING STYLE:
- STREET
- STYLE:
- 4-STROKE
- UNITS:
- EACH
$20.95 -
Pro Circuit T-4 Exhaust Kawasaki KLX125 2003-2016 4S03125
PRO CIRCUIT
$349.95The PRO CIRCUIT T-4 Exhaust delivers measurable gains in throttle response and power output, backed by extensive dyno and track testing. If you're running a KLX125 and want to unlock its full potential without compromising reliability, this is the system...4S03125- SKU:
- 4S03125
- Availability:
- Ships Same Business Day
- Weight:
- 3.88 LBS
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- T4
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- RIDING STYLE:
- OFF-ROAD
- END CAP STYLE:
- CONICAL
- MATERIAL:
- ALUMINUM
- MUFFLER COLOR/FINISH:
- BRUSHED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$349.95 -
Pro Circuit T-4 Slip-On Silencer 2003 KTM 525 SX 4T00400
PRO CIRCUIT
$523.95Stock silencers rob your 525 SX of its potential—the Pro Circuit T-4 slip-on delivers measurable horsepower and torque gains across the entire power band, transforming throttle response and acceleration. Built from lightweight aluminum and stainless...4T00400- SKU:
- 4T00400
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- ROUND
- FEATURES:
- WITH SPARK ARRESTOR
- MODEL:
- T-4
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- POLISHED
$523.95 -
Pro Circuit T-4 Exhaust Honda CRF70F 2004-2012 4H00070
PRO CIRCUIT
$370.95The Pro Circuit T-4 Exhaust delivers measurable gains in throttle response and power delivery for your Honda CRF70F, engineered through extensive dyno and track testing to ensure real-world performance. Whether you're competing on closed courses or...4H00070- SKU:
- 4H00070
- Availability:
- Ships Same Business Day
- Weight:
- 3.69 LBS
$370.95 -
Pro Circuit T-4 Exhaust System for Honda XR100R 1985-2000 4H85080
PRO CIRCUIT
$370.95The Pro Circuit T-4 Exhaust System delivers measurable improvements in throttle response and acceleration for the Honda XR100R, making it the choice for racers who demand repeatability across track and dyno environments. This system combines proven...4H00080- SKU:
- 4H00080
- Availability:
- Ships Same Business Day
- Weight:
- 3.28 LBS
$370.95 -
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
