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 R-304 Silencer Kawasaki KX85 2001-2025 SK98080-R
PRO CIRCUIT
$206.29The Pro Circuit R-304 Silencer is engineered for KX85 riders who refuse to leave power on the track. By optimizing exhaust flow dynamics, this shorty silencer delivers measurable horsepower gains while keeping unsprung weight to a minimum—critical for...SK98080R- SKU:
- SK98080R
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- R-304
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
$206.29 -
Pro Circuit R-304 Silencer Yamaha YZ125 2002-2021 SY02125-RE
PRO CIRCUIT
$206.29If you're running a YZ125 in closed-course racing, exhaust flow directly impacts throttle response and mid-range power delivery. The Pro Circuit R-304 Shorty Silencer gives you measurable performance gains without the weight penalty of heavier...SY02125RE- SKU:
- SY02125RE
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$206.29 -
Pro Circuit R-304 Shorty Silencer Yamaha YZ250 2003-2025 SY03250-RE
PRO CIRCUIT
$206.29Competitive riding demands an exhaust system that balances raw power with precision engineering—and the Pro Circuit R-304 Shorty Silencer delivers both without compromise. Built for Yamaha YZ250 models (2003–2025), this compact silencer maximizes exhaust...SY03250RE- SKU:
- SY03250RE
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
$206.29 -
Pro Circuit Engine Thermometers 2024 KX250 PC4019-0000
PRO CIRCUIT
$22.95Engine temperature management is critical to preventing heat-related failures and optimizing fuel mapping across varying track conditions. The Pro Circuit Engine Thermometers deliver instant visual feedback on critical thermal zones, allowing you to make...09500059- SKU:
- 09500059
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- RIDING STYLE:
- UTV
- TYPE:
- TEMPERATURE STRIP
- PRODUCT NAME:
- DECAL
- RIDING STYLE:
- ATV
- UNITS:
- 3 PACK
- RIDING STYLE:
- OFF-ROAD
$22.95 -
Pro Circuit R-304 Silencer Honda CR250R 2002-2003 SH02250-RE
PRO CIRCUIT
$206.29Two-stroke racing demands precision in every component, and your exhaust system is no exception. The Pro Circuit R-304 Shorty Silencer delivers measurable gains in power delivery through optimized scavenging while cutting rotational mass—critical...SH02250RE- SKU:
- SH02250RE
- Availability:
- Ships Same Business Day
- Weight:
- 2.18 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- MODEL:
- R-304
- MUFFLER COLOR/FINISH:
- BRUSHED
- UNITS:
- EACH
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- OFF-ROAD
$206.29 -
Pro Circuit Platinum Head Pipe Suzuki RM250 2004-2008 PS04250P
PRO CIRCUIT
$365.95The Pro Circuit Platinum Pipe delivers measurable gains in throttle response and mid-range acceleration for RM250 riders who demand reliability without compromise. By optimizing exhaust scavenging and reducing system weight, this pipe improves both power...18200101- SKU:
- 18200101
- Availability:
- Ships Same Business Day
- Weight:
- 7.45 LBS
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- PLATINUM
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- PRODUCT NAME:
- HEADER
- TYPE:
- HEAD PIPE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
$365.95 -
Pro Circuit T-4 Exhaust Honda CRF150F 2006 4H06150
PRO CIRCUIT
$418.95The Pro Circuit T-4 exhaust system unlocks measurable power gains on your Honda CRF150F by optimizing exhaust scavenging and reducing backpressure—gains that translate to quicker acceleration both on the trail and at the track. Stock exhausts leave...18200586- SKU:
- 18200586
- Availability:
- Ships Same Business Day
- Weight:
- 6.55 LBS
- MATERIAL:
- ALUMINUM
- MUFFLER MATERIAL:
- ALUMINUM
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- END CAP STYLE:
- CONICAL
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- T4
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
- MUFFLER COLOR/FINISH:
- BRUSHED
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
$418.95 -
Pro Circuit Works Pipe Kawasaki KX85 2014-2025 0721485
PRO CIRCUIT
$337.95The Pro Circuit Works Pipe is engineered to unlock measurable gains in horsepower and torque across your Kawasaki KX85's entire RPM range, giving you the acceleration and responsiveness needed to stay competitive on the track or trail. Pro Circuit's...18201499- SKU:
- 18201499
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
- TYPE:
- EXHAUST
- PRODUCT NAME:
- PIPE
- MODEL:
- WORKS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RAW
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
$337.95 -
Pro Circuit Platinum Head Pipe Kawasaki KX85 2014-2025 0821485
PRO CIRCUIT
$352.95The Pro Circuit Platinum Head Pipe is engineered to unlock measurable gains in horsepower and torque on your KX85, while the corrosion-resistant coating and premium carbon steel construction ensure durability through seasons of aggressive riding. This...18201500- SKU:
- 18201500
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- PLATINUM
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- HEADER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- HEAD PIPE
$352.95 -
Pro Circuit T-6 Exhaust Kawasaki KX450 2019-2023 0121945G
PRO CIRCUIT
$1,089.95The Pro Circuit T-6 delivers measurable power gains and weight savings for KX450 racers and serious riders who demand reliability in competitive environments. A stainless steel construction paired with TIG-welded joints ensures this system handles...18201845- SKU:
- 18201845
- Availability:
- Ships Same Business Day
- Weight:
- 13.30 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
$1,089.95 -
Pro Circuit Ti-6 Pro Exhaust Kawasaki KX450 2019-2023 0321945FP
PRO CIRCUIT
$1,396.95The Pro Circuit Ti-6 Pro exhaust delivers measurable power gains and race-proven reliability for Kawasaki KX450 competitors. Titanium construction cuts rotational mass while the precision-engineered header and silencer optimize scavenging for stronger...18201847- SKU:
- 18201847
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- END CAP COLOR/FINISH:
- CARBON FIBER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,396.95 -
Pro Circuit Ti-2 Silencer Yamaha YZ125 2002-2021 1131412K
PRO CIRCUIT
$446.95The Pro Circuit Ti-2 Silencer delivers measurable power gains and refined throttle response on your YZ125 by optimizing exhaust scavenging and reducing back pressure. Built with titanium and carbon-Kevlar construction, it cuts weight while withstanding...18211655- SKU:
- 18211655
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- END CAP MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SILENCER
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- MODEL:
- TI-2
- MUFFLER MATERIAL:
- CARBON-ARAMID FIBER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$446.95 -
Pro Circuit T-6 Slip-On Exhaust Kawasaki KX450F 2019-2022 0121945A
PRO CIRCUIT
$799.95The Pro Circuit T-6 Slip-On delivers measurable gains in power delivery and throttle response while keeping weight minimal—critical advantages whether you're chasing lap times or tackling technical terrain. Its stainless steel construction and...18211891- SKU:
- 18211891
- Availability:
- Ships Same Business Day
- Weight:
- 10.20 LBS
- MODEL:
- T-6
- UNITS:
- EACH
- PRODUCT NAME:
- SILENCER
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$799.95 -
Pro Circuit T-6 Slip-On Silencer Kawasaki KX250F 2021-2024 0122125A
PRO CIRCUIT
$779.95The Pro Circuit T-6 slip-on silencer unlocks measurable performance gains on your KX250F while delivering the durability needed for both trail and competition use. A properly tuned exhaust system reduces backpressure, improves throttle response, and...18212030- SKU:
- 18212030
- Availability:
- Ships Same Business Day
- Weight:
- 9.90 LBS
- TYPE:
- SLIP-ON
- COLOR/FINISH:
- STAINLESS STEEL
- MODEL:
- T-6
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
$779.95 -
Pro Circuit Carbon Fiber End Cap for Ti-5/Ti-6 4.5" 1.5" Hole PC4022-0003
PRO CIRCUIT
$132.95If you're running a Ti-5 or Ti-6 exhaust system, the Pro Circuit Carbon Fiber End Cap delivers a measurable upgrade in both weight reduction and acoustic refinement. The integrated Quiet Core and Quiet Tips technology let you dial in a more controlled...18600811- SKU:
- 18600811
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- END CAP STYLE:
- CONICAL
- MODEL:
- TI-6
- OUTSIDE DIAMETER IMPERIAL:
- 4-1/2'
- STYLE:
- ROUND
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- END CAP
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- CARBON FIBER
- MODEL:
- TI-5
$132.95 -
MOOSE RACING Pipe Guard - Stock MHS50020
MOOSE RACING
$162.95Exhaust pipe damage is one of the most overlooked performance killers—dents restrict gas flow and rob you of horsepower before you even hit the track. The MOOSE RACING Pipe Guard MHS50020 uses advanced composite engineering to shield your exhaust system...18611472- SKU:
- 18611472
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- TYPE:
- PIPE GUARD
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- GUARD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- STYLE:
- STOCK
$162.95 -
MOOSE RACING Cable Tie - Black - 14" - 8 Pack 304-0516
MOOSE RACING
$33.95When securing exhaust wraps, headers, and other high-temperature components, standard cable ties fail under heat and vibration. MOOSE Racing's 316 stainless steel ties are engineered to withstand the demanding conditions of performance exhaust systems...21200645- SKU:
- 21200645
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- COLOR/FINISH:
- BLACK
- LENGTH IMPERIAL:
- 14'
- RIDING STYLE:
- STREET
- UNITS:
- 8 PACK
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TIE-WRAP
- PRODUCT NAME:
- CLAMP
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- STYLE:
- LADDER
$33.95 -
MOOSE RACING Competition Muffler Packing - 250g 14646
MOOSE RACING
$18.95A quality muffler repack is one of the quickest ways to restore performance exhaust flow and reduce unwanted backpressure in your system. MOOSE Racing's competition-grade packing material outlasts standard fiberglass alternatives by a significant margin,...M702- SKU:
- M702
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- MUFFLER PACKING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- WEIGHT METRIC:
- 250 G
- MATERIAL:
- HIGH-TEMPERATURE FABRIC
- TYPE:
- COMPETITION
$18.95 -
MOOSE RACING Exhaust Tape 402-1800
MOOSE RACING
$24.95A leaking muffler joint kills performance and wastes heat energy that should be contained in your exhaust system. MOOSE RACING Exhaust Tape seals gaps at muffler-to-head-pipe connections and repacking seams with a high-temp adhesive that holds under...M703- SKU:
- M703
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- LENGTH IMPERIAL:
- 8'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- STYLE:
- STRIP
- BASE COLOR:
- WHITE
- MATERIAL:
- GORE-TEX®
- PRODUCT NAME:
- TAPE
- UNITS:
- PAIR
- WIDTH IMPERIAL:
- 1'
- COLOR/FINISH:
- WHITE
- TYPE:
- EXHAUST SEALING TAPE
$24.95 -
MOOSE RACING Exhaust Springs - 63mm 495-6300
MOOSE RACING
$18.95Exhaust spring failure can compromise your header seal and allow exhaust gases to escape before your scavenging system can work efficiently. The MOOSE RACING 495-6300 eliminates binding issues that prematurely wear standard springs, keeping your exhaust...M7709- SKU:
- M7709
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- PRODUCT NAME:
- EXHAUST SPRING
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- UNITS:
- 2 PACK
- RIDING STYLE:
- STREET
- SPRING LENGTH - STATIC METRIC:
- 63 MM
- MATERIAL:
- STAINLESS STEEL
$18.95
