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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FMF Mini PowerCore 4 Slip-On Muffler - without Spark Arrestor - CRF125F '19+ 041581
FMF
$209.99The stock muffler on your CRF125F is costing you power and adding unnecessary weight. This FMF Mini PowerCore 4 slip-on delivers a measurable boost in throttle response and acceleration while trimming pounds from your machine—noticeable improvements that...18211964- SKU:
- 18211964
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- FEATURES:
- WITHOUT SPARK ARRESTOR
- MODEL:
- MINI POWERCORE 4
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$209.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 044429
FMF
$799.99If you're serious about extracting maximum performance from your machine while reducing unsprung weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM band. The advanced Resonance Chamber Technology internally and externally...18211612- SKU:
- 18211612
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
$799.99 -
FMF Q4 HEX Muffler 044426
FMF
$449.99The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while reducing weight and noise—letting you feel the performance improvement rather than just hear it. Its sophisticated multi-stage chamber design and proprietary packing...18211609- SKU:
- 18211609
- Availability:
- Ships Same Business Day
- Weight:
- 8.43 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP MATERIAL:
- STAINLESS STEEL
- WEIGHT IMPERIAL:
- 6.1 LB
- 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 PowerCore 4 HEX Muffler 044423
FMF
$399.99If you're looking to unlock measurable gains in power and torque while maintaining durability on the track or trail, the FMF PowerCore 4 HEX Muffler delivers both performance and longevity. This bolt-on muffler replaces restrictive stock designs with...18211606- SKU:
- 18211606
- Availability:
- Ships Same Business Day
- Weight:
- 8.12 LBS
- MODEL:
- POWERCORE 4 HEX
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
$399.99 -
FMF Factory 4.1 Exhaust - Aluminum/Stainless Steel 042380
FMF
$409.99Stock exhaust systems sacrifice performance and durability for cost-cutting compromises. The FMF Factory 4.1 delivers measurable power gains while its centralized mass design resists crash damage—critical for both track days and aggressive riding. With...18201966- SKU:
- 18201966
- Availability:
- Ships Same Business Day
- Weight:
- 3.94 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY 4.1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- FULL SYSTEM
$409.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045663
FMF
$1,174.99If you're serious about maximizing power delivery across your entire RPM band while trimming unnecessary weight, the FMF 4.1 RCT with MegaBomb is engineered for measurable gains. By positioning the muffler closer to the engine, you centralize mass for...18201960- SKU:
- 18201960
- Availability:
- Ships Same Business Day
- Weight:
- 11.10 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
$1,174.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045654
FMF
$1,174.99If you're serious about extracting maximum power from your bike while cutting unnecessary weight, the FMF 4.1 RCT delivers measurable gains across the entire RPM range without compromise. The shorter, centralized design reduces rotational mass and crash...18201958- SKU:
- 18201958
- Availability:
- Ships Same Business Day
- Weight:
- 9.95 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- EXHAUST SYSTEM
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- FULL SYSTEM
$1,174.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045652
FMF
$1,174.99If you're serious about extracting maximum performance from your machine while reducing unsprung weight, the FMF 4.1 RCT Exhaust is engineered to deliver. By relocating the muffler closer to the engine, this system optimizes mass centralization and...18201956- SKU:
- 18201956
- Availability:
- Ships Same Business Day
- Weight:
- 10.80 LBS
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
$1,174.99 -
AKRAPOVIC Muffler - Black S-PI4SO3-HRSSBL
AKRAPOVIC
$882.15If you're ready to unlock your scooter's true performance potential, the AKRAPOVIC Muffler is your entry point into serious exhaust tuning. This bolt-on upgrade delivers measurable gains in power and torque while shedding unnecessary weight—all without...18112576- SKU:
- 18112576
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
- WEIGHT IMPERIAL:
- 9.9 LB
- BASE COLOR:
- BLACK
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- STREET
- MUFFLER COLOR/FINISH:
- BLACK
- TYPE:
- SLIP-ON
$882.15Qty in Cart: 0Quantity:Price:$882.15Subtotal: -
ACERBIS Silencer Guard 2676790001
ACERBIS
$43.82Protect your exhaust system from costly damage when your bike goes down. The ACERBIS Silencer Guard absorbs impact energy and reduces exhaust vibration, extending component life while keeping your bike race-ready. A bolt-on solution that delivers peace...18611234- SKU:
- 18611234
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- PIPE GUARD
$43.82 -
ACERBIS Silencer Guard 2676790211
ACERBIS
$43.82Protect your exhaust system from impact damage and reduce unwanted vibration with the ACERBIS Silencer Guard. This heat-resistant rubber guard absorbs shock during tip-overs and everyday riding, while its micro-locking band system ensures a secure,...18611238- SKU:
- 18611238
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- PIPE GUARD
$43.82 -
ACERBIS Silencer Guard 2676790004
ACERBIS
$43.82Exhaust damage from a simple tip-over can sideline your bike and drain your wallet. The ACERBIS Silencer Guard shields your exhaust system from impact while damping harmful vibrations that degrade performance and longevity. Its secure micro-band locking...18611239- SKU:
- 18611239
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- PIPE GUARD
- MATERIAL:
- RUBBER
- COLOR/FINISH:
- RED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$43.82 -
ACERBIS Silencer Plug - 2/4-Stroke 2097150001
ACERBIS
$11.72Washing your bike shouldn't mean risking water intrusion into your silencer—a problem that leads to corrosion, performance degradation, and premature wear. The ACERBIS Silencer Plug seals your exhaust system during cleaning, protecting internal...18610452- SKU:
- 18610452
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- TYPE:
- EXHAUST WASH PLUG
- UNITS:
- EACH
- PRODUCT NAME:
- PLUG
- RIDING STYLE:
- UTV
$11.72Qty in Cart: 0Quantity:Price:$11.72Subtotal: -
DG PERFORMANCE Repack Kit - MX Silencer 98-1000
DG PERFORMANCE
$23.99If your MX silencer's exhaust note has become too aggressive or you're looking to fine-tune performance characteristics, a repack kit is essential maintenance. Over time, packing material degrades, causing increased noise levels and potential performance...D981000- SKU:
- D981000
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MODEL:
- MX
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- LENGTH IMPERIAL:
- 15'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$23.99 -
WSM Sea-Doo Exhaust Hose 011-430
WSM
$17.61A deteriorating exhaust hose compromises engine performance and creates safety hazards on the water. The WSM Sea-Doo Exhaust Hose 011-430 is a direct OEM replacement designed to restore proper exhaust flow and maintain your engine's thermal efficiency...18600540- SKU:
- 18600540
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- LENGTH IMPERIAL:
- 3-1/2'
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- HOSE
$17.61 -
WSM Sea-Doo Exhaust Hose 011-420
WSM
$26.49A compromised exhaust hose restricts backpressure flow and degrades engine performance on your Sea-Doo watercraft. The WSM 011-420 is an OEM-equivalent replacement that restores proper exhaust evacuation, preventing heat buildup in the engine bay and...18600659- SKU:
- 18600659
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- HOSE
- TYPE:
- EXHAUST
- RIDING STYLE:
- WATERCRAFT
- LENGTH IMPERIAL:
- 3.1'
- UNITS:
- EACH
$26.49 -
WSM Exhaust Bushings 011-515
WSM
$5.71Exhaust vibration and movement can compromise manifold alignment, damage surrounding components, and introduce unwanted noise into your cabin. The WSM Exhaust Bushings 011-515 isolate your exhaust system with precision-engineered support, maintaining...18600660- SKU:
- 18600660
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- BUSHING
- UNITS:
- PAIR
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- EXHAUST
$5.71 -
WSM Exhaust Pick Up Envelope 011-421
WSM
$11.73Water intrusion at the exhaust-to-manifold joint can corrode fasteners, degrade gasket seals, and compromise engine bay integrity—especially in high-moisture racing environments. The WSM Exhaust Pick Up Envelope 011-421 deflects water spray away from...09500472- SKU:
- 09500472
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- PICK UP ENVELOPE
- TYPE:
- EXHAUST
- RIDING STYLE:
- WATERCRAFT
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
$11.73 -
Twin Air 2-Stroke Exhaust Plug 18mm-40mm 177700NN
TWIN AIR
$12.79Contaminated exhaust systems compromise performance and accelerate corrosion—especially during routine washing or transport when your bike sits idle. The Twin Air 2-Stroke Exhaust Plug delivers a simple, effective seal that keeps dirt and moisture out of...18610787- SKU:
- 18610787
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PLUG FITS DIAMETER:
- 18 MM - 40 MM
- PRODUCT NAME:
- PLUG
- TYPE:
- EXHAUST
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
$12.79 -
Twin Air Large Exhaust Plug 27mm to 50mm 4-Stroke 177710NN
TWIN AIR
$14.93Dirt, moisture, and debris can compromise your exhaust system during storage or maintenance intervals. The Twin Air Large Exhaust Plug seals your 4-stroke's exhaust outlet with a reliable, leak-proof barrier that requires zero tools—just twist it in...18610788- SKU:
- 18610788
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- PLUG
- RIDING STYLE:
- UTV
- TYPE:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- PLUG FITS DIAMETER:
- 27 MM - 50 MM
- RIDING STYLE:
- ATV
- STYLE:
- 4-STROKE
- UNITS:
- EACH
$14.93
